Hydrographic and Impairment Statistics Database: PAAV

Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in...水文与损害统计（Hydrographic and Impairment Statistics, HIS）是美国国家公园管理局（National Park Service, NPS）水资源处（Water Resources Division, WRD）设立的项目，旨在追踪由[...]所确立的若干目标。