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Title: Geological Map of Warren County
- Author: John F. Carll
- Date: 1882
- Medium: Photolithograph
- Condition: Very Good Plus - age toning, wear and discoloration along fold lines
- Inches: 23 x 19 [Paper]
- Centimeters: 58.4 x 48.2 [Paper]
- Product ID: 101133
The Second Geological Survey of Pennsylvania, conducted from 1874 to 1889, stands out as an exceptional achievement in geological research. Praised in 1924 for its extraordinary quality, this survey generated an impressive collection of geological information that was unparalleled at the time.
This extensive body of work provides invaluable insights into Pennsylvania's geology, economy, and history during the late 19th century, often referred to as the Golden Age. The depth and breadth of information gathered during this survey make it an essential resource for understanding the state's geological makeup and natural resources of that era.
John Franklin Carll was a geologist born in 1828 who developed many of the subsurface geological methods still in use today. More than a century ago, he expressed the principles of petroleum engineering and geology that established much of the framework for the development of petroleum engineering technology.