TY - RPRT TI - Preliminary map showing distribution and isotopic ages of Mesozoic and Cenozoic intrusive rocks in Nevada AU - J. E. Carlson AU - D.W. Laird AU - J.A. Peterson AU - J.H. Schilling AU - M.L. Silberman AU - John H. Stewart PY - 1975 DO - 10.3133/ofr75499 UR - https://pubs.usgs.gov/publication/ofr75499 ID - ofr75499 ER -