174 



Revelle, R. , and Shepard, P. P., 1939, Sediments off the 



California coast; in Trask, P. D. , Recent marine sedi- 

 ments, a symposium pub. by Am. Assoc. Petroleum Geolo- 

 gists, Tulsa, Okla. , p. 245-282. 



Rittenhouse, G. , 1943, A visual method of estimating two 



dimensional sphericity: Jour, Sed, Petrology, v. 13, 

 p. 79-81. 



Robertson, G. K. , 1932, The geology of the Santa Monica 



Mountains in the vicinity of Topanga Canyon, Los Angeles 

 County, California: M. S, thesis, 56 p., 12 pis, 



Schupp, R. D. , 1953, A study of the cobble beach cusps along 

 Santa Monica Bay, California: M. S. thesis, Univ. 

 Southern Calif., 131 p. incl, 43 pis., 14 figs., 

 2 tables. 



Shepard, F. P., 1934, American submarine canyons: Scottish 

 Geog, Mag,, V. 50, p. 212-218, 2 pis, 



Shepard, F, P, , 1935, Gravel cusps of the California Coast 



related to tides: Science, v. 82, no, 2124, p. 251-253. 



Shepard, F. P., 1937, Sediments off the California Coast: 



Am, Assoc, Petroleum Geologists Bull,, v, 21, p. 1614 

 (abs. ) . 



Shepard, F, P., 1938, Beach cusps and tides: a discussion: 

 Am, Jour. Sci., 5th ser,, v. 35, p. 309-310, 



Shepard, F. P, , 1939, Nondepositional surfaces off the Cali- 

 fornia Coast: Geol, Soco America Bull,, v, 50, p, 1959 

 Cabs,), 



Shepard, F, P., 1940, Continental shelf sediments: Pan Am, 

 Geologist, v. 73, p, 21-28, 



Shepard, F. P,, 1941, Nondepositional physiographic environ- 

 ments off the California Coast: Geol. Soc, America 

 Bull., V, 52, p. 1869-1886. 



Shepard, F. P., 1948, Submarine geology: New York, Harper 

 and Brothers, 348 p. 



Shepard, F, P., 1949, Terrestrial topography of submarine 



canyons revealed by divings Geol. Soc. America Bull,, 

 V. 60, p. 1597-1612. 



Shepard, F. P., 1950, Longshore current observation in 



southern California: U. S. Army, Corps of Engineers, 

 Beach Erosion Board Tech, Memo, 13, 54 p. 



