BIBLIOGRAPHY 293 



The Farmer Loo\s Ahead, United States Department of Agriculture, 



Farmers' Bulletin No. 1774 

 Lewis and Clar\ Expedition, FRANK BOND 

 Soil Defense in the Northeast, United States Department of Agriculture, 



Farmers' Bulletin No. 1810 

 Soil Defense in the Piedmont, United States Department of Agriculture, 



Farmers' Bulletin No. 1767 

 Soil Defense in the South, United States Department of Agriculture, 



Farmers' Bulletin No. 1809 



Soil Erosion: A Critical Problem in American Agriculture 

 Soil Erosion-Control Practices in Virginia, A. R. HALL 

 Soil; the Ration's Basic Heritage 



Doubtless someone has written a history of your county which you can 

 find in the public library. Sections on the early settlers and their use 

 of the land should be very interesting. 



MAGAZINE 



Soil Conservation, Official Magazine of the United States Soil Conser' 

 vation Service 



WATER 



The River, PARE LORENTZ 



Rivers of America, edited by CONSTANCE LINDSAY 



The Colorado, JOHN Louw NELSON 



The Hudson, CARL CARMER 



The James, BLAIR NILES 



The Kennebec, ROBERT P. TRISTRAM COFFIN 



Powder River, STRUTHERS BURT 



The Suwanee River, CECILE HULSE MATSCHAT 



The Upper Mississippi, WALTER HAVIGHURST 

 Story of Water, AUGUSTUS PEN PIGMAN 



UNITED STATES GOVERNMENT PUBLICATIONS 



Conservation Farming Practices and Flood Control, United States De' 



partment of Agriculture, Miscellaneous Publication No. 253 

 Early Erosion Practices in Virginia 

 Forests and Floods, United States Department of Agriculture 



