ON-006-34D Lidar-based Landslide Inventory of Teller County, Colorado (Data) - v20260617 06/29/2026 ON-006-34D Lidar-based Landslide Inventory of Teller County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-25D Lidar-based Landslide Inventory of Jefferson County, Colorado (Data) - v20260617 06/29/2026 ON-006-25D Lidar-based Landslide Inventory of Jefferson County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-11D Lidar-based Landslide Inventory of El Paso County, Colorado (Data) - v20260617 06/29/2026 ON-006-11D Lidar-based Landslide Inventory of El Paso County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-32D Lidar-based Landslide Inventory of Eagle County, Colorado (Data) - v20260617 06/29/2026 ON-006-32D Lidar-based Landslide Inventory of Eagle County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-31D Lidar-based Landslide Inventory of Douglas County, Colorado (Data) – v20260617 06/29/2026 ON-006-31D Lidar-based Landslide Inventory of Douglas County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-14D Lidar-based Landslide Inventory of Summit County, Colorado (Data) - v20260617 06/29/2026 ON-006-14D Lidar-based Landslide Inventory of Summit County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-13D Lidar-based Landslide Inventory of Clear Creek County, Colorado (Data) - v20260617 06/29/2026 ON-006-13D Lidar-based Landslide Inventory of Clear Creek County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-16D Lidar-based Landslide Inventory of Mesa County, Colorado (Data) - v20260617 06/23/2026 ON-006-16D Lidar-based Landslide Inventory of Mesa County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This study evaluates and maps known and previously unmapped… Read More
ON-006-30D Lidar-based Landslide Inventory of Boulder County, Colorado (Data) - v20260617 06/21/2026 ON-006-30D Lidar-based Landslide Inventory of Boulder County, Colorado (Data) – v20260617 The CGS develops and provides geologic hazard maps to state and local governments for use in planning processes and hazard mitigation plans. This map is part of a statewide effort to develop lidar-based landslide inventory maps for landslide-prone areas in Colorado. This inventory dataset includes minor changes from the previous… Read More
OF-23-09 Geologic Map of the Montezuma Quadrangle, Summit, Clear Creek, and Park Counties, Colorado 06/01/2026 OF-23-09 Geologic Map of the Montezuma Quadrangle, Summit, Clear Creek, and Park Counties, Colorado The purpose of this publication is to describe the bedrock and surficial deposits, structural and metamorphic history, and mineral deposits of the Montezuma 7.5-minute quadrangle. It is a continuation of field mapping carried out by Colorado School of Mines Associate Professor Yvette Kuiper and four previous MS students in the… Read More
OF-25-08 Digital Geologic Map Database of the La Plata Mountains Map Area, La Plata, Monument Hill, Rampart Hills, and Thompson Park Quadrangles, La Plata and Montezuma Counties, Colorado 05/25/2026 OF-25-08 Digital Geologic Map Database of the La Plata Mountains Map Area, La Plata, Monument Hill, Rampart Hills, and Thompson Park Quadrangles, La Plata and Montezuma Counties, Colorado The purpose of this geodatabase is to provide integrated modern geologic mapping of the surface bedrock and Quaternary geology for four adjoining quadrangles in the La Plata Mountains area of southwestern Colorado (La Plata, Monument Hill, Rampart Hills, and Thompson Park) as a GeMS Level 3 geodatabase. Digital ZIP download. Read More
OF-23-07 Digital Geologic Map of the Wet Mountains Area and Associated Geochemical Data, Custer, Fremont and Huerfano Counties, Colorado 05/14/2026 OF-23-07 Digital Geologic Map of the Wet Mountains Area and Associated Geochemical Data, Custer, Fremont and Huerfano Counties, Colorado The purpose of this geologic map compilation is to provide a consistent, digital, 1:50,000-scale geologic framework for the Wet Mountains area that supports Earth MRI objectives related to critical mineral assessment and subsurface characterization. Previous geologic mapping in the area was completed over several decades at varying scales and using… Read More