div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: pp 223 plate 5 30 - USGS · Colorado: Am Assoc Petroleum Geologists Bull vol 17 no 4 pp 384 386 1933 PERSPECTIVE ENVER 12 11 Breckenridge 15 16 18 Canon City 1060 1050 src=https:reader035fdocumentsinreader035viewer20220630025f2bd078541a467adb6dc124html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv