EarthWorks Geospatial Catalog

Surface Water Sampling Sites for National Water Quality Assessment United States 1991-1994

This point dataset shows the 1991 and 1994 National Water-Quality Assessment (NAWQA) study units' major surface-water sampling sites. These sites are in NAWQA's fixed network and (or) in a bed sediment and tissue network.
Geologic Survey (U.S.)
United States, Northern Hemisphere, Western Hemisphere, North America, Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, and United States
point, inlandWaters, structure, Water--Sampling, National water-quality assessment, Stream-gaging stations, Hydrology, Water., Drainage., Groundwater, Surface water records, Hydrogeology., and Water quality.
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