SP-57 Tourist Guide to Colorado Geology Details Order SP-57 on our Amazon storefront. Come tour Colorado! This poster-sized publication that comes folded as a roadmap features a large generalized geologic highway map of the state and numerous smaller geology-related maps, including points of geologic interest. The smaller maps also include the topography and physiography, mineral and energy resources, distribution of rocks and mineral deposits, earthquakes and young faults of Colorado, along with official Colorado geologic symbols, and a geologic time scale. For further fascinating insights into the geology of Colorado, try our best-selling and sumptuously illustrated SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition). Citations Matthews, Vincent, and Colorado Geological Survey. “SP-57 Tourist Guide to Colorado Geology.” Special Publication. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 2009. https://coloradogeologicalsurvey.org/publications/tourist-guide-colorado-geology.