TY - BOOK ID - 145979601 TI - Geographic information system (GIS) procedure for preliminary delineation of debris-flow hazard areas from a digital terrain model, Madison County, Virginia AU - Campbell, Russell H. AU - Chirico, Pete AU - Geological Survey (U.S.) PY - 1999 PB - [Reston, Va.?] : U.S. Department of the Interior, U.S. Geological Survey, DB - UniCat KW - Debris avalanches KW - Hazardous geographic environments KW - Geographic information systems UR - https://www.unicat.be/uniCat?func=search&query=sysid:145979601 AB - ER -