By Douglas M. Hirschberg and G. Stephen Pitts
http://geopubs.wr.usgs.gov/open-file/of00-409/
California Geological Survey, 1:750,000 scale
Available from the California Geological Survey
by Bruce R. Johnson and Gary L. Raines
USGS Open-File Report 95-690
http://wrgis.wr.usgs.gov/open-file/of95-690
Geology compiled by John H. Stewart and John E. Carlson, 1978, 1:500,000 scale
Spatial database by Gary L. Raines, Katherine A. Connors1, Lorre A. Moyer, and Robert J. Miller
http://geopubs.wr.usgs.gov/open-file/of03-66/
Geology compiled by G.W. walker and N.S. MacLeod, 1991, 1:500,000 scale
Spatial database by Robert J. Miller, Gary L. Raines, and Katherine A. Connors
http://geopubs.wr.usgs.gov/open-file/of03-67/
Available from the Utah Geological Survey
http://www.maps.state.ut.us/geomaps.htm#digital
USGS Open-File Report 95-684
By Gary L. Raines and Bruce R. Johnson
http://wrgis.wr.usgs.gov/open-file/of95-684