TY - MAP ID - 145730275 TI - Reconnaissance geologic map of the Hayfork 15สน quadrangle, Trinity County, California AU - Irwin, W. P. AU - Geological Survey (U.S.) PY - 2010 PB - [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, DB - UniCat KW - Geology KW - Geology. KW - California UR - https://www.unicat.be/uniCat?func=search&query=sysid:145730275 AB - ER -