TY - BOOK AU - Santiago,Marilyn AU - Santiago-Rivera,Luis AU - Ramos-Ginés,Orlando ED - Geological Survey (U.S.) TI - Hydrologic unit boundaries for the U.S. Virgin Islands T2 - Open-File Report PY - 2000///?] CY - [Reston, Va.?] PB - The Survey KW - Hydrology KW - Virgin Islands of the United States KW - Maps KW - Local N1 - Coordinates estimated from cover illustration; Title from CD-ROM cover ER -