Version List for Irwin, W.P., 2010, Reconnaissance geologic map of the Hayfork 15' quadrangle, Trinity County, California: U.S. Geological Survey Scientific Investigations Map 3119, scale 1:50,000 [http://pubs.usgs.gov/sim/3119/]. Revisions Original release online, April 5, 2010 sim3119-readme.txt sim3119-version.txt sim3119-map.pdf sim3119-arcpkg.zip sim3119-atts.e00 sim3119-fosl.e00 sim3119-geol.e00 sim3119-lins.e00 sim3119-pts.e00 sim3119-metadata sim3119-base.zip info folder with 8 files sim3119base folder with 8 files sim3119-basenotes.txt