The Earth as Modified by Human ActionGeorge P. (George Perkins) Marsh

The Earth as Modified by Human Action

Name: The Earth as Modified by Human Action
Author: George P. (George Perkins) Marsh

George P. (George Perkins) Marsh · 2004

ספרייה ציבורית, Project Gutenberg. בלי הרשמה.

Human geographyPhysical geographyConservation of natural resourcesNature -- Effect of human beings on

עוד של George P. (George Perkins) Marsh