Report on the terminal moraine in Pennsylvania and western New York. /
By H. C. Lewis. To which is appended: The terminal moraine in Ohio and Kentucky, by G. F. Wright; and The terminal moraine in New Jersey, by G. H. Cook; reprinted from their reports.
- Harrisburg, : Pub. by the Board of Commissioners for the Second Geological Survey, 1884.
- lvi, Z, Z299, 8 p. : front, ill., xviii pl., maps (part fold.) diagrs. ; 23 cm.
- Pensylvania. Geological Survey, 2d. Report of progress, Z .
- Report of progress (Geological Survey of Pennsylvania), Z. .