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A series of columnar sections constructed from surface observations and the records of eleven oil wells situated between Bradford in McKean County and Ridgway in Elk County showing the relation of the lower caboniferous coal beds to the Bradford oil p...
From Parts (In 6 layers) Depicts: 1879 Last modified over 3 years ago. Unrectified. |
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Layer | Title | Year | Number of Maps | Percent Complete |
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Parts
Last modified 7 months ago. Depicts : Download KML Bibiliographic records: Digital Collections |
123 maps |
7% (8 maps) |
|
|
Maps of North America
Last modified about 1 month ago. Depicts : Download KML Bibiliographic records: Digital Collections |
4051 maps |
16% (656 maps) |
|
|
Pennsylvania
Last modified about 2 months ago. Bibiliographic records: Digital Collections |
361 maps |
20% (71 maps) |
|
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States
Last modified about 1 month ago. Download KML Bibiliographic records: Digital Collections |
3706 maps |
17% (632 maps) |
|
|
United States (except New York)
Last modified about 1 month ago. Bibiliographic records: Digital Collections |
4888 maps |
19% (931 maps) |
|
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Countries
Last modified about 1 month ago. Bibiliographic records: Digital Collections |
4929 maps |
19% (950 maps) |