Colo. May 1962. U.S. Dep. Agr. Misc. Publ. 
940, 172 pp. 
Springfield, H. W. 
1961. The grazed-plant method for judging the utili- 
zation of crested wheatgrass. J. Forest. 
59(9) : 666-670. 
Wagner, R. E., Hein, M. A., Shepherd, J. B., and Ely, 
R. E. 
100 
1950. A comparison of cage and mower strip meth- 
ods with grazing results in determining 
production of dairy pastures. Agron J. 42: 
487-491. 
Wilm, H. G., Costello, David F., and Klipple, G. E. 
1944. Estimating forage yield by the double sam- 
pling method. Agron. J. 36: 194-208. 
