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Federal
Administrative Boundaries Centroids of National Park System Units
Department of the Interior —
National Park Service unit points. -
Federal
Current Tract Polygons of National Park System Units
Department of the Interior —
National Park Service Unit tract polygons -
Federal
Hydrographic and Impairment Statistics Database: ANIA
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Data for Montane-Breeding Bird Distribution and Abundance Across National Parks of Southwestern Alaska, 2004-2008
Department of the Interior —
Observation data and model covariate data from breeding bird inventory conducted during May-June 2004 and 2008 primarily in montane areas (>100 m above sea level)...