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



BUTTE. 



1862. Map ; by J. S. Henning. 1862. 



t 

 1877. Official map of the county of Butte, California. 



Carefully compiled from actual surveys. Published by 



James McGann, U. S. dept. surveyor. 1877. (Britton, 



Rey & Co., lith.) [Scale, 1 m. to 1 in.] 



1886. Same. 1886. 



Northern Butte is mapped topograpically on Lassen Peak sheet 

 published by the U. S. Geological Survey, J. W. Powell, director. 

 1886. Scale, about 4 m. to 1 in. 



1901. Official map of county of Butte. Compiled from offi- 

 cial records and actual surveys by B. L. McCoy, county 

 surveyor. 1901. Scale, 1 m. to 1 in. 



CALAVERAS. 



1864. Map of the copper mines of Calaveras County. From 



actual survey and measurement. Surveyed and drawn 



by Handy & Wallace. San Francisco, 1864. Scale, 1 



m. to 1 in. 



"A private map, made about 1874, was drawn by A. B. Beauvais, 

 very incomplete. A new map soon to be made." — ^^H. H. Saunders, 

 County Surveyor. 



1894. Map showing ancient channel system of Calaveras 

 County. Accompanying 12th Report State Mining 

 Bureau, 1894. Scale, 2% m. to 1 in. 



[No date.] Map of mines and gold mining locations, Cal- 

 averas County, California. By Capt. J. Beck and E. T. 

 Bacon. No date. Scale, nearly 1 m. to 1 in. 



[No date.] Map of a survey of the Mokelumne Hill canal, 

 and a reconnoissance of the adjoining country by George 

 Goddard, C.E. [No date?] Scale, nearly 11-3 m. to 

 1 in. 



[No date.] Official map of Calaveras County. Published by 

 W. B. Walkup. Scale, 1 m. to 1 in. (Similar to and 

 prior to 1896 edition.) 



