INDEX 
427 
Chiipadera Mesa ore bodies, dia¬ 
gram, 90; Iron deposits, 89 
Cibola limestones, 336 
Clapp, C. H., Oil Pools in FUu 
Arches in Montana. 92 
Clark, W. B., cited, 22 
Clarke, J. M., quoted. 265, 373 
Classification, hemeral divisions, 84 
soils, 287 
Climatic Index of Bonneville Lake 
Beds, 423 
Coal Measures in Arizona, 244; 
Kentucky, 88; Missouri, 341 
Cochise limestones, 336 
Coconino sandstones, 411 
Coleman, A. P., quoted, 369 
Colorado, Corazon peneplain, 124; 
James’ geological observations, 
279; Maya peneplain, 126; Raton 
peneplain, 125; Tucumcari pene¬ 
plain, 124 
Columbia River basalt plains, 363; 
Basin, features, 289 
Comanchan, biotic taxonomy, 266; 
iron deposits, 92; peneplanation, 
124; rocks of Arizona, 246; series, 
336 
Continents, positions of ancient, 367; 
Pre-Cambrian, 367 
Corazon peneplain, 124 
Cordier, L., cited, 53 
Cordillera, Rocky, peneplains, 123 
Cordilleran anticlinorium, dia¬ 
gram, 75 
Correlation, Iowa Cambric, 326 
Rocky Mountain peneplains, 137 
Corridor of Bryce Canyon, 288 
Cretacic American Balanocrinus, 
262; iron deposits, 90 
Cretacic oil in Montana, 93 
Cretacic rocks; Arizona, 247; Car- 
olinas, 28; Delaware, 28; Europe, 
28; first finding, 3; Maryland, 
New Jersey, 28; New Mexico, 151 
Cretacic seas of Utah, 289 
Croixan series of Iowa, 317 
Cross-section of Iowa Glacial de¬ 
posits, 419 
Crowley ridge, work of Salisbury, 
102 
Crustal elevation, 55; shortening, 
56 
Cubical expansion of Earth, 58 
Cultural aspects of geology, 288 
Cushing, H. P., cited, 32 
Cushman, A. S., cited, 408 
Cypress sandstone, 346 
Dakotan sandstone, on west flank 
of Rockies, 133 
Dana, J. D., cited, 53, 315; quoted, 
277 
Davis, W. M., cited, 260, 264 
Dawson, W., cited, 32 
Deflation of Great Plains, 127 
De la Beche, H. T., cited, 53 
Delaware, Cretacic section, 28 
Delimitations of Arizona terranes, 
335 
Deltas, Bonneville lake, 143 
Depletion, eolic, of Great Plains, 
162 
Descartes, R., cited, 52 
Desert, gold deposits, 165; irriga¬ 
tion, 228; physiographic paradox, 
161; ranges, overthrusts, 253; Soil 
Sorting by Winds, 164 
Devonic Gondwanaland, 373; out¬ 
liers on Missouri highlands, 271; 
section of Bolivia, 196; uncon¬ 
formity in Arizona, 411 
Devonic rocks of Arizona, 240; dis¬ 
covery in New Mexico, 143; 
South America, 196 
Diamonds of South Africa, 166 
Diastrophic aspect of Aux Vases 
sandstone, 339 
Diastrophism in Rocky Mountains, 
diagram, 123 
Differentiation of Iowa Cambric, 
313 
Diminishing rate of Earth’s rota¬ 
tion, 51 
Discovery of Paleozoic Formations 
in New Mexico, 141 
Doloresian series, 336 
Douglas county, Kansas, glaciation, 
378 
Douglas, J. A., cited, 203 
Dragoonan series, 336 
Dresbach sandstone, in Iowa, 319 
Driftless area in Minnesota, 383; 
studies of Salisbury, 100 
Dual ice age, 350 
Dubuque lead region, 87 
Duparc, L., cited, 32 
Dust Storm of March, 1892, 162 
Dutton hypothesis of isostasy, 52 
Earth’s crustal shortening, 53; ro¬ 
tation, orogenic consequence, 51 
Eau Clare shales, in Iowa, 318 
