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Hydrographic and Impairment Statistics Database: RUCA 미국
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the... -
Digital Geologic-GIS Map of Russell Cave National Monument and Vicinity, Alabama (NPS, GRD, GRI, RUCA, RUCA digital map) adapted from a U.S. Geological Survey Professional Paper map by Hack (1966) 미국
The Digital Geologic-GIS Map of Russell Cave National Monument and Vicinity, Alabama is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS... -
Administrative Boundaries Centroids of National Park System Units 미국
National Park Service unit points.