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501. Massachusetts ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Massachusetts ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit... Environmental Systems Research Institute, Inc. (ESRI).

502. MassGIS 2000 Fish Traps (Weirs) (August 1999)

Point Harvard University Public content
1999. MassGIS (Office : Mass.) and Massachusetts. Division of Marine Fisheries. The Fish Traps (weirs) datalayer contains the point locations of fish trap permit holders' traps. These permit holders are licensed by the town in ... Office of Geographic and Environmental Information (MassGIS).
1999. MassGIS (Office : Mass.) and Massachusetts. Division of Marine Fisheries. This datalayer shows statistics for lobsters harvested (by pounds) from 25 distinct statistical reporting areas covering a large portion of the Gul... Office of Geographic and Environmental Information (MassGIS).

504. MassGIS 2000 Rail Trails Datalayer

Line Harvard University Public content
1999. Massachusetts. Executive Office of Environmental Affairs., Massachusetts. Dept. of Environmental Management, and University of Massachusetts at Amherst. The Rail Trails Datalayer is a line coverage representing abandoned railroad rights-of-way and public bike trails that use the rights-of-way. The d... Office of Geographic and Environmental Information (MassGIS).

505. MassGIS 2003 Massachusetts NHESP Certified Vernal Pools (June 1999)

Point Harvard University Public content
1999. MassGIS (Office : Mass.) and Massachusetts. Natural Heritage & Endangered Species Program. This datalayer contains points for all vernal pools which have been certified by the Natural Heritage & Endangered Species Program (NHESP) accordin... Office of Geographic and Environmental Information (MassGIS).
1999. MassGIS (Office : Mass.) and Massachusetts. Natural Heritage & Endangered Species Program. The Estimated Habitats of Rare Wildlife datalayer consists of polygons representing estimations of the habitats of Massachusetts state-protected ra... Office of Geographic and Environmental Information (MassGIS).

508. Mexico, Gulf of Mexico, Guajardo to Barra de Chavarria (Raster Image)

Raster Stanford University Restricted content
1999. Land Info (Firm) and United States. National Imagery and Mapping Agency. Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines and soundings. Relief shown by contours and spot height... Land Info (Firm).

510. Michigan Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Michigan Block Groups represents the U.S. Census block groups of Michigan. Environmental Systems Research Institute, Inc. (ESRI).

511. Michigan Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Michigan Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Michigan. Environmental Systems Research Institute, Inc. (ESRI).

512. Michigan Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Michigan Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Michigan. Environmental Systems Research Institute, Inc. (ESRI).

513. Michigan Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Michigan Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Michigan. Environmental Systems Research Institute, Inc. (ESRI).

514. Michigan ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Michigan ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

515. Mineral Resource Zones of Monterey County, California, 1999

Polygon Stanford University Public content
1999. Rosenberg, Lewis I. This polygon shapefile contains the distribution of Mineral Resource Zones for Monterey County, California. Construction minerals such as sand, gra... Monterey County (Calif.). Planning Department.

516. Minnesota Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Minnesota Block Groups represents the U.S. Census block groups of Minnesota. Environmental Systems Research Institute, Inc. (ESRI).

517. Minnesota Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Minnesota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Minnesota. Environmental Systems Research Institute, Inc. (ESRI).

518. Minnesota Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Minnesota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Minnesota. Environmental Systems Research Institute, Inc. (ESRI).

519. Minnesota Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Minnesota Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Minnesota. Environmental Systems Research Institute, Inc. (ESRI).

520. Minnesota ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Minnesota ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of ... Environmental Systems Research Institute, Inc. (ESRI).

521. Mississippi Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Mississippi Block Groups represents the U.S. Census block groups of Mississippi. Environmental Systems Research Institute, Inc. (ESRI).

522. Mississippi Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Mississippi Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Mississippi. Environmental Systems Research Institute, Inc. (ESRI).

523. Mississippi Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Mississippi Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Mississippi. Environmental Systems Research Institute, Inc. (ESRI).

524. Mississippi Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Mississippi Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Mississippi. Environmental Systems Research Institute, Inc. (ESRI).

525. Mississippi ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Mississippi ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit o... Environmental Systems Research Institute, Inc. (ESRI).

526. Missouri Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Missouri Block Groups represents the U.S. Census block groups of Missouri. Environmental Systems Research Institute, Inc. (ESRI).

527. Missouri Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Missouri Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Missouri. Environmental Systems Research Institute, Inc. (ESRI).

528. Missouri Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Missouri Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Missouri. Environmental Systems Research Institute, Inc. (ESRI).

529. Missouri Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Missouri Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Missouri. Environmental Systems Research Institute, Inc. (ESRI).

530. Missouri ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Missouri ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

531. Montana Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Montana Block Groups represents the U.S. Census block groups of Montana. Environmental Systems Research Institute, Inc. (ESRI).

532. Montana Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Montana Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Montana. Environmental Systems Research Institute, Inc. (ESRI).

533. Montana Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Montana Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Montana. Environmental Systems Research Institute, Inc. (ESRI).

534. Montana Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Montana Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Montana. Environmental Systems Research Institute, Inc. (ESRI).

535. Montana ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Montana ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a ... Environmental Systems Research Institute, Inc. (ESRI).

536. Nebraska Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nebraska Block Groups represents the U.S. Census block groups of Nebraska. Environmental Systems Research Institute, Inc. (ESRI).

537. Nebraska Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nebraska Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Nebraska. Environmental Systems Research Institute, Inc. (ESRI).

538. Nebraska Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Nebraska Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Nebraska. Environmental Systems Research Institute, Inc. (ESRI).

539. Nebraska Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nebraska Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Nebraska. Environmental Systems Research Institute, Inc. (ESRI).

540. Nebraska ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nebraska ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

541. Nevada Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nevada Block Groups represents the U.S. Census block groups of Nevada. Environmental Systems Research Institute, Inc. (ESRI).

542. Nevada Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nevada Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Nevada. Environmental Systems Research Institute, Inc. (ESRI).

543. Nevada Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Nevada Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Nevada. Environmental Systems Research Institute, Inc. (ESRI).

544. Nevada Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nevada Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Nevada. Environmental Systems Research Institute, Inc. (ESRI).

545. Nevada ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Nevada ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a f... Environmental Systems Research Institute, Inc. (ESRI).

546. New Hampshire Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Hampshire Block Groups represents the U.S. Census block groups of New Hampshire. Environmental Systems Research Institute, Inc. (ESRI).

547. New Hampshire Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Hampshire Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Hampshire. Environmental Systems Research Institute, Inc. (ESRI).

548. New Hampshire Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). New Hampshire Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Hampshire. Environmental Systems Research Institute, Inc. (ESRI).

549. New Hampshire Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Hampshire Tracts represents the U.S. Census tracts and block numbering areas (BNA) of New Hampshire. Environmental Systems Research Institute, Inc. (ESRI).

550. New Hampshire ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Hampshire ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit... Environmental Systems Research Institute, Inc. (ESRI).

551. New Jersey Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Jersey Block Groups represents the U.S. Census block groups of New Jersey. Environmental Systems Research Institute, Inc. (ESRI).

552. New Jersey Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Jersey Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Jersey. Environmental Systems Research Institute, Inc. (ESRI).

553. New Jersey Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). New Jersey Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Jersey. Environmental Systems Research Institute, Inc. (ESRI).

554. New Jersey Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Jersey Tracts represents the U.S. Census tracts and block numbering areas (BNA) of New Jersey. Environmental Systems Research Institute, Inc. (ESRI).

555. New Jersey ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Jersey ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of... Environmental Systems Research Institute, Inc. (ESRI).

556. New Mexico Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Mexico Block Groups represents the U.S. Census block groups of New Mexico. Environmental Systems Research Institute, Inc. (ESRI).

557. New Mexico Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Mexico Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Mexico. Environmental Systems Research Institute, Inc. (ESRI).

558. New Mexico Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). New Mexico Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New Mexico. Environmental Systems Research Institute, Inc. (ESRI).

559. New Mexico Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Mexico Tracts represents the U.S. Census tracts and block numbering areas (BNA) of New Mexico. Environmental Systems Research Institute, Inc. (ESRI).

560. New Mexico ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New Mexico ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of... Environmental Systems Research Institute, Inc. (ESRI).

561. New York Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New York Block Groups represents the U.S. Census block groups of New York. Environmental Systems Research Institute, Inc. (ESRI).

562. New York City Area Digital Elevation Model, 1 Arc Second, 1999

Raster Columbia University Public content
1999. U.S. Geological Survey (USGS), EROS Data Center. New York City Area Digital Elevation Model, 1 Arc Second (feet) is a raster dataset representing elevations in the New York City area. This layer... U.S. Geological Survey.

564. New York City Area Digital Elevation Model, 1/3 Arc Second, 1999

Raster Columbia University Public content
1999. U.S. Geological Survey (USGS), EROS Data Center. New York City Area Digital Elevation Model, 1/3 Arc Second (feet) is a raster dataset representing elevations in the New York City area. This lay... U.S. Geological Survey.

566. New York City Outer Borough Businesses, 1999

Point Columbia University Restricted content
1999. infoUSA. New York City Outer Borough Businesses, 1999 is a point theme representing business locations in the outer boroughs of New York City (Brooklyn, Que... infoUSA.

567. New York Gas Service Territories, 1999

Polygon Columbia University Restricted content
1999. NYS Department of Public Service. Gas Service Territories is a polygon theme representing the territories of gas utility service in New York State. Attribute information includes t...

568. New York Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New York Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New York. Environmental Systems Research Institute, Inc. (ESRI).

569. New York Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). New York Major Roads represents interstate, U.S., and state highways and other major thoroughfares within New York. Environmental Systems Research Institute, Inc. (ESRI).

570. New York Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New York Tracts represents the U.S. Census tracts and block numbering areas (BNA) of New York. Environmental Systems Research Institute, Inc. (ESRI).

571. New York ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). New York ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

572. Niaqunngunaq to Kangerlussuaq (Sondre Stromfjord) (Raster Image)

Raster Stanford University Restricted content
1999. Land Info (Firm) and United States. Defense Mapping Agency. Georeferenced nautical chart. Map no. 38520 This map is part of a collection of scanned and georeferenced nautical charts produced by the National ... Land Info (Firm).

573. Nighttime Lights of the World - Human Settlements, 1999

Raster Stanford University Public content
1999. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 1999. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.

575. North Carolina Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Carolina Block Groups represents the U.S. Census block groups of North Carolina. Environmental Systems Research Institute, Inc. (ESRI).

576. North Carolina Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Carolina Major Roads represents interstate, U.S., and state highways and other major thoroughfares within North Carolina. Environmental Systems Research Institute, Inc. (ESRI).

577. North Carolina Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). North Carolina Major Roads represents interstate, U.S., and state highways and other major thoroughfares within North Carolina. Environmental Systems Research Institute, Inc. (ESRI).

578. North Carolina Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Carolina Tracts represents the U.S. Census tracts and block numbering areas (BNA) of North Carolina. Environmental Systems Research Institute, Inc. (ESRI).

579. North Carolina ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Carolina ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digi... Environmental Systems Research Institute, Inc. (ESRI).

580. North Dakota Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Dakota Block Groups represents the U.S. Census block groups of North Dakota. Environmental Systems Research Institute, Inc. (ESRI).

581. North Dakota Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Dakota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within North Dakota. Environmental Systems Research Institute, Inc. (ESRI).

582. North Dakota Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). North Dakota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within North Dakota. Environmental Systems Research Institute, Inc. (ESRI).

583. North Dakota Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Dakota Tracts represents the U.S. Census tracts and block numbering areas (BNA) of North Dakota. Environmental Systems Research Institute, Inc. (ESRI).

584. North Dakota ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). North Dakota ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit ... Environmental Systems Research Institute, Inc. (ESRI).

589. Norway--west coast, Ferkingstadneset to Store Hiskjo (Raster Image)

Stanford University Restricted content
1999. Land Info (Firm) and United States. National Imagery and Mapping Agency. Georeferenced nautical chart. Map No.: 43324 Historic paper maps can provide an excellent view of the changes that have occurred in the cultural an... Land Info (Firm).

590. Ohio Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Ohio Block Groups represents the U.S. Census block groups of Ohio. Environmental Systems Research Institute, Inc. (ESRI).

591. Ohio Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Ohio Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Ohio. Environmental Systems Research Institute, Inc. (ESRI).

592. Ohio Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Ohio Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Ohio. Environmental Systems Research Institute, Inc. (ESRI).

593. Ohio Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Ohio Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Ohio. Environmental Systems Research Institute, Inc. (ESRI).

594. Ohio ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Ohio ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a fiv... Environmental Systems Research Institute, Inc. (ESRI).

595. Oklahoma Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Oklahoma Block Groups represents the U.S. Census block groups of Oklahoma. Environmental Systems Research Institute, Inc. (ESRI).

596. Oklahoma Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Oklahoma Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Oklahoma. Environmental Systems Research Institute, Inc. (ESRI).

597. Oklahoma Major Roads 2002

Line Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). Oklahoma Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Oklahoma. Environmental Systems Research Institute, Inc. (ESRI).

598. Oklahoma Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Oklahoma Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Oklahoma. Environmental Systems Research Institute, Inc. (ESRI).

599. Oklahoma ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Oklahoma ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

600. Oregon Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Oregon Block Groups represents the U.S. Census block groups of Oregon. Environmental Systems Research Institute, Inc. (ESRI).