J Peter Lesley

A Geological Hand Atlas of the Sixty-Seven Counties of Pennsylvania: Embodying the Results of the Field Work of the Survey, From 1874 to 1884; Volume 63

J Peter Lesley

$24.95

A Summary Description of the Geology of Pennsylvania, Volume 3, part 1

J Peter Lesley

Out of Stock

... Final Report Ordered by Legislature, 1891: A Summary Description of the Geology of Pennsylvania, in Three Volumes, with a New Geological Map of th

J Peter Lesley

Out of Stock

Final Report Ordered by Legislature, 1891: Upper Silurian and Devonian Formations, by J.P. Lesley

J Peter Lesley

Out of Stock

Dictionary Of The Fossils Of Pennsylvania And Neighboring States

J Peter Lesley

$24.95 - $27.95

Dictionary Of The Fossils Of Pennsylvania And Neighboring States

J Peter Lesley

$39.95

Dictionary Of The Fossils Of Pennsylvania And Neighboring States

J Peter Lesley

$36.95

The Geology of Chester County: After the Surveys of Henry D. Rogers, Persifor Frazer, and Charles E. Hall, Volume 9

J Peter Lesley

$26.76

Historical Sketch of Geological Explorations in Pennsylvania and Other States Volume pt. 6

J Peter Lesley

Out of Stock

Contributions to the Physical Geography: Of the United States, by Charles Allen, Assistant in Charge of the Collection and Collation of Railroad and ... the Second Geological Survey of Pennsylvania

J Peter Lesley

$22.90

A Geological Hand Atlas of the Sixty-Seven Counties of Pennsylvania: Embodying the Results of the Field Work of the Survey, From 1874 to 1884; Volume 63

J Peter Lesley

Out of Stock

A Summary Description of the Geology of Pennsylvania: Laurentian, Huronian, Cambrian and Lower Silurian Formations

J Peter Lesley

Out of Stock

Manual of Coal and Its Topography: Illustrated by Original Drawings

J Peter Lesley

$32.95