My land and your land conservation series / [authors, Mary Melrose [and others]].

Bibliographic Details

Corporate Author:	National Wildlife Federation
Other Authors:	Williams, Mary Melrose
Language:	English
Published:	[Washington, D.C.] : National Wildlife Federation, 1949-1953.
Edition:	Revised edition.
Subjects:	Natural resources > United States. United States > Economic conditions. Conservation of natural resources. Economic history. Natural resources. United States.
Physical Description:	4 volumes : illustrations (some color), maps (some color) ; 23 cm
Format:	Book