LITERATURE 
Publications of interest in connection with 5 Se for the Rocky 
Mountain States include: 
Region 
Flora of the Rocky Mountains and adjacent plains, by P. A. Rydberg, xiitl110 
pp-, 1917. Inquire as:to price from the Botanic Garden, New York, N. Y. 
Wenlns 
Growing trees-in Northeastern Wyoming, by Paul K. Thompson. Agr. Expt. Sta: 
Bull. 192, 12 pp., illus., December 1932. Inquire as to conditions 
governing distribution from the University of Wyoming, Laramie, Wyo. 
Colorado 
Improvement of home grounds in Colorado, by George Beach. Agr. Expt. Sta. 
Bull. 374, 51 pp., illus., July 1931. Inquire-as to conditions governing 
distribution from Colorado Agricultural College, Fort Collins, Colo. 
e windbreaks for Colorado, by R. E. Ford. Extension Service Bull. 326-A, 
25 po., illus., January 1933. Inquire as to conditions governing distribu— 
tion from Colorado Agricultural. College, Fort Collins, Colo. 
Tre 
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