2 E-böcker av R. Burnell Held
Marion Clawson & R. Burnell Held: Soil Conservation in Perspective
This book reviews and evaluates the nationwide soil conservation effort in the United States and suggests broad outlines of a future conservation program. Originally published in 1965 …
PDF
Engelska
DRM
€64.05
Marion Clawson & R. Burnell Held: Soil Conservation in Perspective
This book reviews and evaluates the nationwide soil conservation effort in the United States and suggests broad outlines of a future conservation program. Originally published in 1965 …
EPUB
Engelska
DRM
€64.44
