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Hydrographic and Impairment Statistics Database: ELMA
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... -
Hydrographic and Impairment Statistics Database: ELMA
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... -
Hydrographic and Impairment Statistics Database: ELMA
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... -
El Malpais National Monument Tract and Boundary Data
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the regional...