250 A Bibliography of the Geology, etc., of California. 



Half Moon Bay, California. Preliminary chart. From a 

 trigonometrical survey by A. F. Rodgers, assistant. 

 1863. Scale, 1:20,000. 



Same. [Completed topography, etc.] 1863. 



Same. 1879 ; corr. to 1884. 



Humboldt Bay, California. Preliminary survey. 1858. 

 Scale, 1 : 30,000. 



Same. 1879 ; corr. to 1884. 



1899. Scale, 1 : 30,000. 



Mare Island straits, California. From a trigonometrical sur- 

 vey under direction of A. D. Bache, superintendent. 

 1859. Scale, 1 : 30,000. 



Same. Resurvey of straits by A. F. Rodgers. 1874. 



Scale, 1 : 10,000. 



Same. 1876; corr. to 1886. 



- 1876. C. P. Patterson, superintendent. Hydrography 

 by the party under H. C. Taylor, Lieut. Comdr. U. S. N., 

 1876. Scale, 1:10,000. 



- Same. Corr. to 1884. 



- 1900. Scale, 1 : 10,000. 



Mendocino Bay, California. 1874. C. P. Patterson, super- 

 intendent. Triangulation, topography, and hydrography 

 by L. A. Sengteller, 1871-2. Scale, 1 : 10,000. 



Mendocino City Harbor, California. 1854. Geographical 

 positions by G. Davidson. Topography by A. M. Harri- 

 son. Hydrography by party under Lieut. James Alden, 

 U. S. N. 1854. Scale, 1 : 20,000. 



On same sheet are : Port Orford, Oregon ; Shelter Cove, Cali- 

 fornia; Crescent City harbor, California. 



