01594nam 2200397Ia 450 991069905440332120240829001140.0(CKB)5470000002399342(OCoLC)432049127(EXLCZ)99547000000239934220090820d2009 ua 0engurmnu||||||||txtrdacontentcrdamediacrrdacarrierTopographic change detection at select archeological sites in Grand Canyon National Park, Arizona, 2006-2007 /Brian D. Collins, Diane Minasian, and Robert KayenReston, Va. :U.S. Geological Survey,2009.1 online resource (vi, 58 pages) illustrations, mapsScientific investigations report ;2009-5116Title from PDF title screen (viewed Aug. 20, 2009).Includes bibliographical references (pages 56-58).ArchaeologyArizonaGrand Canyon National ParkAntiquitiesTopographical surveyingArizonaGrand Canyon National ParkAntiquitiesArchaeologyAntiquities.Topographical surveyingAntiquities.Collins Brian D(Brian David)1390912Minasian Diane L1765412Kayen Robert E1384039Geological Survey (U.S.)GPOGPOBOOK9910699054403321Topographic change detection at select archeological sites in Grand Canyon National Park, Arizona, 2006-20074207069UNINA