MS-10 Metal Mining Activity Map of Colorado Excluding Uranium and Vanadium (with Directory) MS-10 Metal Mining Activity Map of Colorado Excluding Uranium and Vanadium (with Directory), 1978
B-36 Geologic Control of Supply and Quality of Water in the Mountainous Part of Jefferson County B-36 Geologic Control of Supply and Quality of Water in the Mountainous Part of Jefferson County, Colorado
SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties