Issued May 6, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF SOILS— MILTON WHITNEY. Chief. 



SOIL SURVEY OF THE RED BLUFF AREA, 

 CALIFORNIA. 



« 



By L. C. HOLMES and E. C. ECKMANN. 



MACY H. LAPHAM, Inspector in Charge. 



[Advance Sheets— Field Operations of the Bureau of Soils, 1910.] 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1912, 



