A text-book of geology.
A text-book of geology.
- New York : John Wiley and Sons (s.i.), 1920.
- 2 t. en 1 v. : il. ; 23 cm.
Contiene: Part I. Physical geology by Louis V. Pirsson, Part II. Historical Geology by Charles Schuchert
Contiene: Part I. Physical geology by Louis V. Pirsson, Part II. Historical Geology by Charles Schuchert
