52 CIRCULAR 870, U. S. DEPARTMENT OF AGRICULTURE 



(11) Wagnon, Kenneth A., and Biswell, H. H. 



1943. two types of broad-leaf erodium in California. Madrono 7 (4): 

 118-125, illus. 



(12) Guilbert, H. R., and Hart, G. H. 



1942. THE SAN JOAQUIN EXPERIMENTAL RANGE: EXPERIMENTAL HERD 



management. Calif. Agr. Expt, Sta. Bui. 663: 50-82, illus. 



(13) Hart, G. H., and Guilbert, H. R. 



1947. WHEN AND HOW TO SUPPLEMENT THE DEFICIENT RANGE. Calif. Cattle- 

 man, March 1947, 12-13. 



U. S. GOVERNMENT PRINTING OFFICE: 1951 935908 



