Our natural resources and their conservation.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
OCLC:173140
Prif Awdur: Parkins, A. E. (Almon Ernest), 1879-1940 (ed.)
Awduron Eraill: Whitaker, J. Russell (Joe Russell), 1900- (joint ed.), Atwood, Wallace Walter, 1872-1949, Baker, O. E. (Oliver Edwin), 1883-1949
Iaith:English
Cyhoeddwyd: J. Wiley & sons, inc., 1936.
Pynciau:
Natural resources > United States.
Conservation of natural resources.
United States > Economic conditions.
Fformat:

Monograph

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Disgrifiad Local Call Number Statws
C-17622 Ar gael

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