38 books
An Address to the Suffolk North Association of Congregational Ministers; With Sermons of the Rule of Faith, the Inspiration of the Scriptures, and Th
The Geology of Chester County (Volume 9); After the Surveys of Henry D. Rogers, Persifor Frazer, and Charles E. Hall
An Address to the Suffolk North Association of Congregational Ministers
Annual Report of the Geological Survey of Pennsylvania for 1885-1887
Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 22
A Collection of Occasional Surveys of Iron, Coal and Oil Districts in the United States
A Geological Hand Atlas of the Sixty-Seven Counties of Pennsylvania
Report of the Geological Survey of Pennsylvania ... 1885-1887, Part 3
A Dictionary of the Fossils of Pennsylvania and Neighboring States Named in the Reports and Catalogues of the Survey ...
The Iron Manufacturer's Guide to the Furnaces, Forges and Rolling Mills of the United States
The Geology of Huntingdon County, Volume 59
Historical Sketch of Geological Explorations in Pennsylvania and Other States
Manual of Coal and Its Topography
Manual of Coal and Its topography. Illustrated by original Drawings, Chiefly of Facts in the Geography of the Appalachian Region of the United States of North America. by J. P. Lesley.