This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improv
Annual Report on the Geological Survey of Pennsylvania
The Geology Of Pennsylvania: A Government Survey: With A General View Of The Geology Of The Unite...
This report, written by Pennsylvania State Geologist, Henry Darwin Rogers, is an in-depth study o...
In this fascinating journal, Rogers and Jardine offer valuable insights into the cutting-edge sci...
First published in 1858, this classic work of geological scholarship remains an essential resourc...
This is the annual report of the Geological Survey of Pennsylvania, authored by Henry Darwin Roge...
This report, written by Pennsylvania State Geologist, Henry Darwin Rogers, is an in-depth study o...