U. S. DEPARTMENT OF AGRICULTURE 



BUREAU OF SOILS— MILTON WHITNEY, Chief. 



IN COOPERATION WITH THE IOWA AGRICULTURAL EXPERIMENT STATION, 



C. F. CURTISS, DIRECTOR; W. H. STEVENSON, IN CHARGE SOIL 



SURVEY; P. E. BROWN, ASSOCIATE IN CHARGE. 



SOIL SURVEY OF LOUISA COUNTY, 



IOWA. 



BY 



L. VINCENT DAVIS, of the U. S. Department of Agriculture, 



In Charge, and J. AMBROSE ELWELL, of the 



Iowa Agricultural Experiment Station. 



THOMAS D. RICE, Inspector, Northern Division. 



[Advance Sheets — Field Operations of the Bureau of Soils, 1918.] 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1921. 



