01787nem 2200469 a 450 991069910890332120230902161857.0(CKB)5470000002400811(OCoLC)467363569(EXLCZ)99547000000240081120091119d2009 da enga|||||||||||||||||||||durcn|||||||||crdrdacontentcrdamediacrrdacarrierGeologic map of the Weaverville 15ʹ quadrangle, Trinity County, California[electronic resource] /by William P. Irwin ; prepared in cooperation with the California Geological SurveyWashington, D.C. :U.S. Dept. of the Interior, U.S. Geological Survey,2009.1 online resource (1 map) colorScientific investigations map ;3095Relief shown by contours and spot heights.Title from PDF title screen (viewed on Nov. 19, 2009).Includes text, location map, ancillary map, and 2 cross sections.Includes bibliographical references.Scientific investigations map ;3095.Weaverville 15ʹ quadrangle, Trinity County, CaliforniaGeologyCaliforniaTrinity CountyMapsTrinity County (Calif.)MapsMaps.lcgftGeologyIrwin W. P(William Porter),1919-2012.1392882California Geological Survey.Geological Survey (U.S.)GPOGPOBOOK9910699108903321Geologic map of the Weaverville 15ʹ quadrangle, Trinity County, California3456457UNINA