01752nam 2200421 450 991070357110332120150130130552.0(CKB)5470000002431988(OCoLC)901480123(EXLCZ)99547000000243198820150130d1999 ua 0engurmn|||||||||rdacontentrdamediardacarrierGeographic information system (GIS) procedure for preliminary delineation of debris-flow hazard areas from a digital terrain model, Madison County, Virginia /by Russell H. Campbell and Pete Chirico[Reston, Va.?] :U.S. Department of the Interior, U.S. Geological Survey,[1999]1 online resource (25 pages) illustrations (some color)Open-file report ;99-336Title from title screen (viewed on Jan. 30, 2015).Includes bibliographical references (page 11).Geographic information system Debris avalanchesVirginiaMadison CountyHazardous geographic environmentsVirginiaMadison CountyGeographic information systemsVirginiaMadison CountyDebris avalanchesHazardous geographic environmentsGeographic information systemsCampbell Russell H.1928-1382037Chirico PeteGeological Survey (U.S.),GPOGPOBOOK9910703571103321Geographic information system (GIS) procedure for preliminary delineation of debris-flow hazard areas from a digital terrain model, Madison County, Virginia3448603UNINA