APPENDIX A 421 



Dry Land Grains. W. M. Jardine. Circular 

 No. 12, Bureau of Plant Industry, U. S. Department 

 of Agriculture. 



Dry-farm Investigations in Montana. A. Atkin- 

 son and J. B. Nelson. Bulletin 74, Montana Experi- 

 ment Station. 



The Storage of Winter Precipitation in Soils. 

 J. A. Widtsoe, Bulletin No. 104, Utah Experiment 

 Station. 



Dry Land Farming and Kindred Topics. F. S. 

 Cooley. Farmers' Bulletin No. 1, Montana Agri- 

 cultural College. 



Notes on Dry-farming. W. M. Jardine. Cir- 

 cular No. 10, Bureau of Plant Industry, U. S. Depart- 

 ment of Agriculture. 



Second Annual Report of the Superintendent of 

 Demonstration Farms for North Dakota. North 

 Dakota Experiment Station. 



The Plains : Some Press Bulletins. Bulletin 123, 

 Colorado Experiment Station. 



Dry Land Olive Culture in Northern Africa. 

 T. H. Kearney. Bulletin 125, Bureau of Plant 

 Industry, U. S. Department of Agriculture. 



Report of the Second Dry-farming Congress, Salt 

 Lake City, Utah. 



Dry Land Agriculture : Papers Read at the Second 

 Annual Meeting of the Cooperative Experiment 

 Association of the Great Plains Area. Bulletin 130, 

 Bureau of Plant Industry, U. S. Department of 

 Agriculture. 



Report on Dry-farming in America. W. Straw- 

 bridge, I. S. O., Adelaide, South Australia. 



