OF-23-06 Geologic Map of the Wiggins Quadrangle 12/09/2024 OF-23-06 Geologic Map of the Wiggins Quadrangle, Morgan County, Colorado The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It is a continuation of field mapping work on the northern Front Range of Colorado where the CGS has cumulatively mapped over a dozen other quadrangles in the past several years. Read More
Wolf Creek Valley Overlook, Mineral County (September, CGS 2025 Geology Calendar). Photo credit: Nate Rogers (CGS). 12/01/2024 2025 Colorado Geology Calendar Back for the third year running, our popular annual calendar showcases a varied and beautiful photo tour around the state. We’re excited to share this next collection of photographs from current and former CGS staff members. Designed to keep you visually “in-the-know” on colorful Colorado geology, it reveals special locations… Read More
Cover for publication SP-58 (Land of Ice) by Vince Matthews. Cropped to top half of image. 12/01/2024 Land of Ice: Jaunts into Colorado’s Glacial Landscape (SP-58) Order this 11″x15″ spiral-bound book on our Amazon storefront, featuring over 600 full-color images, diagrams, maps, and road logs to exciting glacial features in Colorado! From the preface: Flowing ribbons of ice and rock sculpted much of the rugged landscape that we enjoy today. The cold… Read More