| Author | : Frederick Gardner Clapp |
| Publisher | : |
| Total Pages | : 948 |
| Release | : 1907 |
| Genre | : Geology |
| ISBN | : |
Economic Geology of the Amity Quadrangle, Eastern Washington County, Pennsylvania
| Author | : Frederick Gardner Clapp |
| Publisher | : |
| Total Pages | : 145 |
| Release | : 1907 |
| Genre | : Geology |
| ISBN | : |
The Production of Coal in 1910
| Author | : Edward Wheeler Parker |
| Publisher | : |
| Total Pages | : 274 |
| Release | : 1911 |
| Genre | : Coal trade |
| ISBN | : |
The Evaporation and Concentration of Waters Associated with Petroleum and Natural Gas
| Author | : Ronald Van Auken Mills |
| Publisher | : |
| Total Pages | : 142 |
| Release | : 1919 |
| Genre | : Geology |
| ISBN | : |
Report of the Commissioners of the State Geological and Topographical Survey
| Author | : Pennsylvania. Topographic and Geological Survey Commission |
| Publisher | : |
| Total Pages | : 468 |
| Release | : 1908 |
| Genre | : Pennsylvania |
| ISBN | : |
