Principles of geology; or, The modern changes of the earth and its inhabitants considered as illustrative of geology Q Science
Principles of geology ; or, The modern changes of the earth and its inhabitants considered as illustrative of geology Q Science
Principles of geology; or, The modern changes of the earth and its inhabitants, considered as illustrative of geology Q Science
A manual of elementary geology; or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Reprinted from the sixth ed., greatly enl Q Science
