These coordinates were derived from Geographic Information System (GIS) digital files and are listed in decimal degrees. The GIS files and their associated coordinates are not the legal sou

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Date: 2013-09-25 15:16:55 Ptychobranchus Fauna of the United States Unionidae		These coordinates were derived from Geographic Information System (GIS) digital files and are listed in decimal degrees. The GIS files and their associated coordinates are not the legal sou Add to Reading List Source URL: www.fws.gov Download Document from Source Website File Size: 611,83 KB Share Document on Facebook