The Earth as Modified by Human Action
by Marsh, George P. (George Perkins)
Language: en · 740 downloads on Project Gutenberg
Human geographyPhysical geographyConservation of natural resourcesNature -- Effect of human beings onGF
In: Category: History - Modern (1750+) · Category: Science - Earth/Agricultural/Farming · Category: Environmental Issues
Public-domain ebook sourced from Project Gutenberg #6019.
