TY - RPRT TI - K-Ar and fission-track ages (dates) of volcanic, intrusive, altered, and metamorphic rocks in the Mohave Mountains area, west-central Arizona AU - J. K. Nakata AU - M.A. Pernokas AU - Keith A. Howard AU - J.R. Shannon PY - 1990 UR - https://pubs.usgs.gov/publication/70198218 ID - 70198218 ER -