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Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
National Land Cover Data for the National Wildlife Refuge System
The Natural Resources Program Center conducted a land cover analysis to determine land cover types, acres and their subsequent percentages for the National Wildlife Refuge... -
Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
Taxonomic Validation for Freshwater Bivalve and Gastropod Species on the U.S....
This report addresses the taxonomic validity of 63 taxa of freshwater bivalves (Sphaeriidae and Unionidae) and 75 species of freshwater gastropods (Ancylidae, Planorbidae,... -
Taxonomic Validation for Crustacean species on the U.S. Fish and Wildlife Ser...
The species indicated on the list are valid, none are synonymous with other taxa, and the taxonomic status of each represents the present understanding of their taxonomic...
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