BIBLIOGRAPHY 85 



Sampson, Arthur W. Plant Succession in Relation to Range Manage- 

 ment. U. S. Dept. of Agr. Bui. 791, 1919. 

 Range Improvement by Deferred and Rotation Grazing. U. S. Dept. 

 of Agr. Bui. 34, 1913. 

 ScRiBNER, F. Lamson-. Economic Grasses. U. S. Dept. of Agr., Div. of 



Agrost., Bui. 14, 1900. 

 Smith, J. G. Forage Conditions of the Prairie Region. U. S. Dept. of 

 Agr. Yearbook, 1895. 

 Grazing Problems in the Southwest and How to Meet Them. U. S. 

 Dept. of Agr., Div. of Agrost., Bui. 16, 1899. 

 Thornber, J. J. Alfilaria as a Forage Plant in Arizona. Ariz. Agr. Exp. 

 Sta. Bui. 52, 1906. 

 The Grazing Ranges of Arizona. Ariz. Agr. Exp. Sta. Bui. 65, 1910. 

 WOOTON, E. O. Carrying Capacity of Grazing Ranges in Southern Ari- 

 zona. U. S. Dept. of Agr. Bui. 367, 1916. 

 Factors Affecting Range Management in New Mexico. U. S. Dept. of 

 Agr. Bui. 211, 1915. 



