Massachusetts Parks, 1995
- This datalayer is a polygon coverage displaying location and additional information on parks throughout Massachusetts. The GNIS feature class of PARK is defined as, "place or area set aside for recreation or preservation of a cultural or natural resource and under some form of government administration; not including National or State forests or Reserves (national historical landmark, national park, State park, wilderness area)." This layer was derived from the Massachusetts Electronic Atlas (MEA) which was a collaborative project to provides access, via the Internet, to data about the Commonwealth, its thirteen regional planning agency districts and 351 cities and towns. This dataset is now only available via The Harvard Geospatial Library. These data are an extract from the U.S. Geological Survey Geographic Names Information System December 1996 CD-ROM. The GNIS is a data system developed by the USGS in cooperation with the U.S. Board on Geographic Names. The GNIS includes three databases: the National Geographic Names Data Base (NGNDB), the National Topographic Map Names Data Base (NTMNDB) and the Reference Data Base. The principal database in the GNIS is the National Geographic Names Data Base (NGMNDB) which includes known places, features, and areas of the United States that are identified by proper names. The primary source of these data are the USGS topographic map series. The GNIS feature class of DAM is defined as "water barrier or embankment built across the course of a stream or into a body of water to impound water or control its flow".
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