| Geology - 1970 - 656 pages
Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) | |
| Geology - 1970 - 614 pages
Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) | |
| Geology - 1969 - 764 pages
Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) | |
| |