Principles of geology, being an attempt to explain the former changes of the earth's surface by reference to causes now in operation/
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
New York:
Johnson Reprint Corp.,
c1969.
|
| Pynciau: | |
| Tagiau: |
Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|
| Disgrifiad Corfforoll: | 3 v. illus., maps.; 22 cm. |
|---|---|
| Llyfryddiaeth: | Includes index |