Water Resources of the United States
Legend for Reference MemorandamsADMIN - Administrative ACHPO - Associate Chief Hydrologist for Program Operations BUR - U.S. Geological Survey DIR - Director's Office DIS - Distributive Information System DOI - Department of Interior GD - Geologic Division HIF - Hydrologic Instrumentation Facility HRM - Human Resources NMD - National Mapping Division OPR - Assistant Chief Hydrologist for Operation OS - Operational Support RR - Research TS - Assistant Chief Hydrologist for Technical Support OI - Assistant Chief Hydrologist for Water Information WRD - Water Resources Division OPS - Office of Program Support USGS - U.S. Geological Survey |