01746oam 2200493Ia 450 991069402820332120060817153506.09791411306621(CKB)5470000002362557(OCoLC)62733304(EXLCZ)99547000000236255720051222d2005 ua 0enguocg| |||||txtrdacontentcrdamediacdrdacarrierS-wave refraction survey of alluvial aggregate[electronic resource] /by Karl J. Ellefsen ... [and others]Version 1.0.Reston, Va. :U.S. Geological Survey,2005.1 CD-ROM color ;4 3/4 inScientific investigations report ;2005-5012Title from PDF title screen (viewed on Dec. 21, 2005)."This survey was part of a cooperative research and development agreement between the U.S. Geological Survey and the Lafarge Corporation."Shipping list no.: 2006-0011-E.1-4113-0662-7 Includes bibliographical references.Seismic prospectingColoradoYampa River ValleyAlluviumColoradoYampa River ValleyVertical seismic profilingColoradoYampa River ValleySeismic prospectingAlluviumVertical seismic profilingEllefsen Karl1380912Geological Survey (U.S.)Lafarge Corporation.GISGISAGLGPOBOOK9910694028203321S-wave refraction survey of alluvial aggregate3433741UNINA