| Author | : Charles Doolittle Walcott |
| Publisher | : |
| Total Pages | : 276 |
| Release | : 1910 |
| Genre | : Geology, Stratigraphic |
| ISBN | : |
Smithsonian Miscellaneous Collections
| Author | : Smithsonian Institution |
| Publisher | : |
| Total Pages | : 726 |
| Release | : 1862 |
| Genre | : Science |
| ISBN | : |
