EVOLUTION OF MODERN SURFACE FEATURES 59 



Larsen, E. S., Jr., and Whitman Cross. 1956. Geology and petrology of 

 the San Juan region, southwestern Colorado. U. S. Geol. Survey 

 Prof. Paper 258. 303 pp. 



Lee, W. T. 1907. Water resources of the Rio Grande Valley in New 

 Mexico. U. S. Geol. Survey Water-Supply Paper 188. 



Longwell, C. R. 1946. How old is the Colorado River? Am. J. Sci., 244: 

 817-835. 



• . 1950. Tectonic theory viewed from the Basin Ranges. Bull. Geol. 



Soc.Am., di.- 413-434. 



Louderback, G. D. 1904. Basin range structure of the Humboldt region. 

 Bull. Geol. Soc. Am. 15: 289-346. 



Mackin, J. H. 1937. Erosional history of the Bighorn basin, Wyoming. 

 Bull. Geol. Soc. Am., 48: p. 813-894. 



. 1947. Altitude and local relief of the Bighorn area during the 



Cenozoic, in Field Conference in Bighorn Basin, Guidebook. Wyoming 

 Univ., Wyoming Geol. Assoc, and Yellowstone-Bighorn Research 

 Assoc, pp. 103-120. 



McKee, E. D., S. S. Oriel, V. W. Swanson, M. E. MacLachlan, J. C. 

 MacLachlan, K. B. Ketner, J. W. Goldsmith, R. Y. Bell, and D. J. 

 Jameson. 1956. Paleotectonic maps of Jurassic system. U. S. Geol. 

 Survey Misc. Geol. Inv., map 1-175. 



Menard, H. W., and R. S. Dietz. 1952. Mendocino submarine escarpment. 

 /. Geol, 60: 266-278. 



Noble, L. F. 1954. The San Andreas fault zone from Soledad Pass to 

 Cajon Pass, California, in Geology of Southern California, Chap. 4 

 (Structural features). California Div. Mines Bull. 170, pp. 37-48. 



Nolan, T. B. 1943. The Basin and Range province in Utah, Nevada, and 

 California. U. S. Geol. Survey Prof. Paper 197-D, pp. 141-196. 



Powell, J. W. 1876. Report on the geology of the eastern portion of the 

 Uinta Mountains and a region of country adjacent thereto. U. S. 

 Geol. Geog. Survey of the Territories. 218 pp. 



Reed, R. D., and J. S. Hollister. 1936. Structural evolution of southern 

 California. Bull. Am. Assoc. Petrol. Geologists, 20: 1533-1704. 



Repenning, C. A., and J. H. Irwin. 1954. Bidahochi formation of Arizona 

 and New Mexico. Bull. Am. Assoc. Petrol. Geologists, 38: 1821-1826. 



Repenning, C. A., J. F. Lance, and C. R. Longwell. A history of the Colo- 

 rado River. Bull. Geol. Soc. Am., in press. 



Roberts, R. J., P. E. Hotz, James Gilluly, and H. G. Ferguson. Paleo- 

 zoic rocks of north-central Nevada. Bull. Am. Assoc. Petrol. Geolo- 

 gists, in press. 



Rouse, J. T. 1937. Genesis and structural relationships of the Absaroka 

 volcanic rocks, Wyoming. Bull. Geol. Soc. Am., 48: 1257-1296. 



Spieker, E. M. 1949. Sedimentary facies and associated diastrophism in 

 the Upper Cretaceous of central and eastern Utah, in Sedimentary 

 Facies in Geologic History. Geol. Soc. Am. Mem. 39, pp. 55-82. 



Stille, Hans. 1936. Present tectonic state of the earth. Bull. Am. Assoc. 

 Petrol. Geologists, 20: 849-880. 



