PO-08 Poster - Geology of Colorado Download Publication Details This full color poster illustrates aspects of ‘colorful’ Colorado’s geology. It includes a geologic time scale and map of the ages and types of rocks found in Colorado, along with many on-site photographs of particular geologic phenomenon. Digital PDF download. PO-08D Citations Scott, Larry. “PO-08 Poster Geology of Colorado.” Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 2006. https://doi.org/10.58783/cgs.po08.euoz1870. CGS Publications. https://coloradogeologicalsurvey.org/publications/geology-colorado-poster/.