Part 19

Hansen, Wallace R., 1965, THE BLACK CANYON OF THE GUNNISON TODAY AND YESTERDAY. U. S. Geological Survey Bulletin 1191. A readable account of this unusual national monument near Montrose.

Hansen, Wallace R., 1969, THE GEOLOGIC STORY OF THE UINTA MOUNTAINS. U. S. Geological Survey Bulletin 1291. The eastern part of this range is in Colorado.

Henderson, C. W., 1926, MINING IN COLORADO, A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTION. U. S. Geological Survey Professional Paper 138.

Lee, W. T., 1917, THE GEOLOGIC STORY OF THE ROCKY MOUNTAIN NATIONAL PARK, COLORADO. U. S. National Park Service Publication. An old report, not adequately superseded.

Lovering, T. S., and Goddard, E. N., 1950, GEOLOGY AND ORE DEPOSITS OF THE FRONT RANGE, COLORADO. U. S. Geological Survey Professional Paper 223. A comprehensive study of mineral-bearing areas in the Front Range.

Lohman, S. W., 1965, THE GEOLOGIC STORY OF COLORADO NATIONAL MONUMENT. Colorado and Black Canyon Natural History Association, Grand Junction.

Pearl, Richard M., 1956, NATURE AS SCULPTOR: A GEOLOGIC INTERPRETATION OF COLORADO SCENERY. Denver Museum of Natural History Popular Series No. 6, Revised Edition.

Pearl, Richard M., 1969, EXPLORING ROCKS, MINERALS, FOSSILS IN COLORADO. Swallow Press, Revised Edition.

Pearl, Richard M., 1971, COLORADO GEM TRAILS AND MINERAL GUIDE. Swallow Press, 3rd Edition.

Powell, John Wesley, 1876, REPORT ON THE GEOLOGY OF THE EASTERN PORTION OF THE UINTA MOUNTAINS AND A REGION OF COUNTRY ADJACENT THERETO. U. S. Geological and Geographical Survey of the Territories. One of the earliest accounts of geology in Colorado, written by the explorer of the Colorado River and the father of the U. S. Geological Survey.

Rabbit, Mary C., and others, 1969, THE COLORADO RIVER AND JOHN WESLEY POWELL. U. S. Geological Survey Professional Paper 669. A resumé of part of Powell’s work and a good discussion of the geologic history of the entire Colorado River, which begins near Grand Lake.

Richmond, Gerald M., 1965, GLACIATION OF THE ROCKY MOUNTAINS. A part of THE QUATERNARY OF THE UNITED STATES, Princeton University Press. A summary of current knowledge of glaciation in Colorado and surrounding areas.

Rodeck, Hugo G., editor, 1964, NATURAL HISTORY OF THE BOULDER AREA. University of Colorado Museum Leaflet No. 13. Contains articles on geology and biology.

Untermann, G. E., and Untermann, B. R., 1954, GEOLOGY OF DINOSAUR NATIONAL MONUMENT AND VICINITY, UTAH—COLORADO. Utah Geological and Mineralogical Survey Bulletin 42. A detailed study of the eastern Uinta Mountains.

Weimer, Robert J., and Haun, John D., editors, 1960, GUIDE TO THE GEOLOGY OF COLORADO. Geological Society of America, Rocky Mountain Association of Geologists, and Colorado Scientific Society, Denver. A concise summary of many aspects of Colorado geology, this guide includes several geological itineraries and many reference listings.

Wolle, Muriel Sibell, 1949, STAMPEDE TO TIMBERLINE, Sage Books. An excellent account of early mining activity in the state, with many fine drawings of the early settlements.

INDEX

A Abrams Mountain, 87 Alamosa, 35 Alamosa Formation, 67, 105, 106 Alma, 78 Ancestral Rocky Mountains, 44, 45 Animas River, 58, 86 Ankareh Formation, 52 Antero Junction, 21 Anthracite, 97 Arapahoe Conglomerate, 60 Arapaho Glacier, 70, 71 Arkansas Hills, 21 Arkansas Mountain, 79 Arkansas River, 3, 22, 35, 90 Arkansas Valley, 21 Aspen, Front., 1, 22, 35, 50, 74, 77, 78, 88-89 Aspen Mountain, 23, 88 Avon, 22

B Battlement Mesa, 62 Belden Formation, 44, 109 Benton Shale, 57 Berthoud Pass, 12, 92 Big Thompson Canyon, 12, 71 Big Thompson River, 69, 103, 104 Black Canyon of the Gunnison, 36, 37, 44, 71, 105 Black Hawk, 14, 77, 78, 79, 80 Blue River, 103 Book Cliffs, 29 Boulder, 8, 14, 33, 45, 47, 48, 50, 71, 74, 75, 94, 98, 99, 100, 101 Boulder County, 78, 79 Boulder Creek, 1, 15, 71, 103 Boulder Creek Granite, 14, 33, 35 Boulder Reservoir, 103 Breckenridge, 1, 78, 83-84 Bross, Mt., 21 Buena Vista, 22 Buffalo Peaks, 21 Building stone, 24, 48, 50, 99-101

C Cache la Poudre River, 66, 103 Cambrian, 7, 34, 39 Camp Bird, 78, 88 Canon City, 3, 11, 16, 52, 53, 75, 94 Canon City Embayment, 16 Carbondale, 97 Carboniferous, see Mississippian, Pennsylvanian Cardiff, 97 Carmel Formation, 52 Carter Lake, 103 Castle Creek, 88 Castle Rock, 8, 61, 112 Castle Rock Conglomerate, 60 Cave of the Winds, 106, 107 Caves, 31, 106-108 Cenozoic (see also Tertiary, Quaternary), 7, 16, 18, 26, 28, 29, 59-73, 109 Central City, 1, 14, 74, 77, 78, 80 Chaffee Formation, 42 Cherry Creek, 1 Cheyenne Mountain, 14, 15, 110 Cheyenne Sandstone, 105 Chinle Formation, 51, 52, 93, 101 Clay, 75, 97-99 Clear Creek, 1, 71, 80 Climax, 21, 78, 91-92 Climax Granite Porphyry, 91, 92 Coal, 23, 75, 96-97 Coal Creek, 14, 15 Coal Creek Quartzite, 33 Coaldale, 97 Coalmont, 97 Cokedale, 97 Collegiate Range, 22 Colorado National Monument, 29, 31, 44, 51, 108 Colorado River, 3, 20, 21, 28, 29, 35, 39, 103, 104, 105, 108, 109 Colorado Springs, 14, 15, 35, 37, 48, 97, 98, 109 Columbia, Mt., 22 Como, 78, 97 Construction materials, 97-102 Copper, 74, 75, 80, 81, 83, 89, 91 Creede, 65, 78, 89-90 Crested Butte, 24, 97 Cretaceous, 7, 12, 20, 23, 29, 30, 53, 56-58, 94, 95, 97, 98, 101, 105, 108, 110 Cripple Creek, 1, 74, 77, 78, 90-91 Cross Mountain, 26, 29 Crystal River, 24, 99 Culebra Range, 17 Curecanti, 105 Curtis Formation, 52

D Dakota Formation, 12, 51, 53, 56, 94, 97, 105 Dawson Arkose, 60 Dawson Butte, 112 Delcarbon, 97 Democrat, Mt., 21 Denver, 3, 8, 14, 33, 35, 37, 45, 47, 48, 52, 53, 60, 74, 83, 94, 96, 99, 100, 104, 112, 113 Denver Basin, 8, 75, 94, 95 Denver Formation, 60, 62 Devonian, 7, 42-43, 83 Dillon, 104 Dinosaur National Monument, 27, 53, 55 Durango, 25, 28, 35, 47, 58, 78, 85, 102 Dyer Dolomite, 42

E Eagle, 47, 101, 106 Eagle River, 22, 47 Edwards, 22 Elbert, Mt., 22 Eldorado Springs, 109 Elk Mountains, 24, 69 Empire, 1, 78, 81 Englewood, 113 Entrada Sandstone, 51, 93 Environmental geology, 111-113 Eocene, 64 Estes Lake, 103 Estes Park, 69, 104 Evans, Mt., 3, 12

F Fairplay, 78, 84-85 Fairy Cave, 107 Flattop Mountain, 19 Floods, 112-113 Florence, 74, 94 Florissant Fossil Beds National Monument, 65 Fort Carson, 15 Fort Collins, 35, 101, 102 Fountain Formation, 12, 14, 45, 47, 48 Fox Hills Sandstone, 58 Fremont Limestone, 40, 41 Frisco, 21 Front Range, 11-16, 33, 35, 44, 50, 51, 52, 56, 60, 61, 68, 69, 70, 71, 93, 99, 101, 103, 107, 109 Frying Pan River, 105 Fulford, 107 Fulford Cave, 106

G Garden of the Gods, 4, 14, 15, 47, 48 Garfield, Mt., 30 Gas, natural, 1, 28, 75, 94-96 Gems, 75, 102 Gem Village, 102 Georgetown, 78, 81 Gilman, 21 Gilpin County, 78 Glen Eyrie Formation, 44 Glenwood Canyon, 37, 39 Glenwood Springs, 24, 29, 35, 99, 107, 109 Gold, 1, 22, 29, 74, 75, 77-91 Golden, 8, 14, 62, 74, 78, 83, 93, 98, 111 Gold Hill, 1, 74, 78, 79 Gore Creek, 47 Gore Pass, 19, 20 Gore Range, 20-21, 35, 69 Gore Range-Eagle’s Nest Wilderness Area, 20, 21 Granby, 20, 62 Granby Lake, 103 Grand Hogback, 28, 29 Grand Junction, 29, 30, 35, 55 Grand Lake, 12, 69, 103, 104 Grand Mesa, 35, 62 Grand Valley, 25 Gravel, 75, 97-99 Great Sand Dunes National Monument, 17, 18, 73 Green River, 27, 103 Green River Basin, 4 Green River Canyon, 31 Green River Formation, 64, 95-96 Greenhorn Formation, 101 Greenhorn Peak, 16 Groundwater, 76, 105-106 Gunnison, 35 Gunnison, Black Canyon of the, 36, 37, 44, 71, 105 Gunnison River, 35, 36, 37, 105 Gypsum (mineral), 22, 30, 75, 101-102 Gypsum (town), 47, 101 Gypsum Valley, 30, 47, 101

H Hahn’s Peak, 19 Harding Sandstone, 40, 41 Harvard, Mt., 22 Hayden, 96, 97 Hayden Pass, 17 Hermosa Formation, 45, 47 Hidden Valley, 69 Horseshoe Amphitheater, 85 Horseshoe Park, 69 Horsetooth Reservoir, 103 Huerfano Basin, 35, 61

I Ice Age, see Pleistocene Iceberg Lake, 66 Idaho Springs, 14, 78, 80 Idaho Springs Formation, 33, 92 Independence Pass, 22 Iron, 1, 17, 74 Ironton, 78, 88

J Jewel Lake, 68 Juniper Mountain, 26, 29 Juniper Springs, 109 Jurassic, 7, 9, 23, 36, 52-55, 93

K Kremmling, 19, 20, 60