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Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
University
Protected Areas Database for New Mexico
Earth Data Analysis Center, University of New Mexico —
The Protected Areas Database of the United States (PAD-US) is a geodatabase, managed by USGS GAP, that illustrates and describes public land ownership, management and... -
Federal
Aviators Down! The Search for Tuskegee and Free French World War II Aircraft in Lake Huron
National Oceanic and Atmospheric Administration, Department of Commerce —
Nearly 200 military aircraft were lost in the Great Lakes during World War II (WWII). The vast majority of losses occurred in lower Lake Michigan where Navy aviators...