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Hydrographic and Impairment Statistics Database: ALAG 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... -
Administrative Boundaries Centroids of National Park System Units 미국
National Park Service unit points. -
AKR Exotic Plant Management (EPMT) Geodatabase 미국
Exotic plant survey polygon data representing infested or non-infested areas including inventory, treatment, and monitoring efforts. Polygons are generated by 1) collecting point and line...