Deserts on the march

Deserts on the march

Bibliographic Details
Main Author: Sears, Paul Bigelow 1891-
Format: Book
Language:English
Published: Norman Univ. of Oklahoma Press 1947.
Edition:2nd ed., rev.
Subjects:
Agriculture > United States.
Natural resources > United States.
Agriculture > Economic aspects > United States.
United states > Economic condition.