J. C. Dohrenwend No description specified. 1-2 (2 Records) Documents Cation-Ratio and Accelerator Radiocarbon Dating of Rock Varnish on Mojave Artifacts and Landforms (1986) Cation-Ratio and Accelerator-Radicarbon Dating of Rock Varnishes On Archaeological Artifacts and Landforms In the Mojave Desert, Eastern California (1986)