Geology. Topography ; Stratigraphy ; Structure ; Economic geology ; Topographic and geologic mapping
The mineral industry in Colorado
Mineral fuels and associated resources. Coal ; Oil and gas ; Oil shale ; Rock asphalt and solid asphaltic bitumens
Metallic mineral resources. Precious- and base-metals : gold, silver, zinc, lead, and copper ; Ferrous metals ; Miscellaneous metals
Nonmetallic and industrial minerals. Alunite ; Barite ; Fluorspar ; Gem stones ; Pegmatite minerals ; Salts of sodium and potassium ; Sulfur
Construction materials. Cement rock ; Clays ; Gypsum and anhydrite ; Lightweight aggregates ; Limestone for sugar refining ; Metallurgical limestone ; Sand and gravel ; Stone
Commodities of little importance in Colorado
Water resources. Surface water ; Ground water ; Utilization and storage ; Sources of data ; Waterpower.