The influence of precipitation and grazing upon black grama grass range
By: by Enoch W. Nelson.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 409; Technical bulletin (United States. Dept. of Agriculture) -- no. 409.
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Black grama grass.; Range plants.
Notes: Caption title.