Historical geology evolution of earth and life through time por Wicander, Reed, Monroe, James S.

Geology and the environment por Pipkin, Bernard W., Trent, D. D., Hazlett, Richard, Bierman, Paul

Physical science por Tillery, Bill W.

Environmental geology por Montgomery, Carla W. 1951-

Environmental geology por Reichard, James S.

Environmental geology por Montgomery, Carla W. 1951-

A short history of nearly everything por Bryson, Bill

Table of contents

Economics of protected areas a new look at benefits and costs. por Dixon, John A.

The earth's dynamic system a textbook in physical geology por Hamblin, William Kenneth

Climate shocks natural and anthropogenic. por Kondratyev, K. Ya