div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · Irwin W P 1960 Geologic reconnaissance of the Northern Coast Ranges and Klamath Mountains with a summary of the mineral resources: California Div unpublished PhD src=https:reader034fdocumentsusreader034viewer20220428075f7737569e070812e641b8afhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · Irwin W P 1960 Geologic reconnaissance of the Northern Coast Ranges and Klamath Mountains with a summary of the mineral resources: California Div unpublished PhD src=https:reader034fdocumentsusreader034viewer20220428075f7737569e070812e641b8afhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: · Irwin W P 1960 Geologic reconnaissance of the Northern Coast Ranges and Klamath Mountains with a summary of the mineral resources: California Div unpublished PhD src=https:reader034fdocumentsusreader034viewer20220428075f7737569e070812e641b8afhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: · Irwin W P 1960 Geologic reconnaissance of the Northern Coast Ranges and Klamath Mountains with a summary of the mineral resources: California Div unpublished PhD src=https:reader034fdocumentsusreader034viewer20220428075f7737569e070812e641b8afhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv