American resources: their management and conservation

[by] J. Russell Whitaker [and] Edward A. Ackerman
Bok · Engelsk · 1972

Utgitt	New York : Arno Press , 1972 [c1951]
Omfang	X, 497 s. : ill.
Emner	Conservation of natural resources - United States Natural resources - Management - United States
ISBN	0405045425