52 A Bihliography of the Geology, etc., of California. 



EEPORTS OF EXPLORATIONS AND SURVEYS FOR A 



RAILROAD FROM THE MISSISSIPPI RIVER 



TO THE PACIFIC OCEAN. 



Report of explorations for a railway route, near the 35tli par- 

 allel of latitude from the Mississippi River to the Pacific 

 Ocean; by Lieut. A. W. Whipple. (33d Cong., Ho. of 

 Rep. Doc. 125. 1854.) 



Contains resume of a geological reconnoissance extending from 

 Napoleon, at the junction of the Arkansas with the Mississippi, to 

 the Pueblo de los Angeles, in California; by Jules INIarcou. pp. 

 40-48. 



Pacific Railroad Reports, vol. 3. Resume of a geological recon- 

 noissance, extending from Napoleon, at the junction of 

 the Arkansas with the Mississippi, to the Pueblo de los 

 Angeles, in California; by Jules Marcou. pp. 165-175. 



This resume was reprinted from the preliminary report of Lieu- 

 tenant Whipple. Chap. YI, p. 40, House Doc. 129. Washington, 

 1855. 



The report has a geological map of the route explored near the 

 parallel of 35 deg. north latitude, from the Mississippi River to the 

 Pacific Ocean. 



Pacific Railroad Reports, vol. 5. Routes in California to 

 connect with the routes near the 35th parallel and 32d 

 parallel explored by Lieut. R. S. AVilliamson in 1853. 

 Geological report by William P. Blake. Washington, 

 1856. (33d Cong., 2d sess.. Senate Ex. Doe. 78.) 



This report contains general observations upon the geology of the 

 route : 

 Chapter I. San Francisco to the San Joaquin River. 



II. Grayson's Ferry, on the San Joaquin, to Fort Miller. 



III. Fort Miller and the vicinity; Fort Miller to Ocoya 



Creek. 



IV. Ocoya Creek to the Tejon. 



V. Tejon to San Amedio ; Canada de las Uvas. 

 VI. Tejon to the Great Basin and Pass of San Francis- 

 quito ; Pass of San Francisquito to the Mojave 

 River. 

 VII. Mojave River, by Williamson's Pass, to San Fernando 

 and Los Angeles ; Los Angeles to San Bernardino ; 

 Cajon Pass. 

 VIII. San Bernardino to the Colorado Desert ; Colorado 

 Desert to Carrizo Creek and Warner's Valley. 

 IX. Warner's to the Colorado Desert ; Colorado Desert to 

 the mouth of the Gila ; Camp Yuma and the vicinity. 



