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Geological map of the environs of Orbisonia at Rockhill Gap, Huntingdon County / Second Geological Survey of Pennsylvania ; J.P. Lesley, State Geologist ; Chas. A. Ashburner, asst. geologist ; Chas. E. Billin, topographer.
From Parts (In 6 layers) Depicts: 1878 Last modified almost 3 years ago. Unrectified. |
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Tiles base URL: http://maps.nypl.org/warper/maps/tile/33137/{z}/{x}/{y}.png
Layer List for Map 33137
| Layer | Title | Year  |
Number of Maps | Percent Complete |
|---|---|---|---|---|
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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) |
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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) |
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Parts
Last modified 7 months ago. Depicts : Download KML Bibiliographic records: Digital Collections |
123 maps |
7% (8 maps) |
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Maps of North America
Last modified about 1 month ago. Depicts : Download KML Bibiliographic records: Digital Collections |
4051 maps |
16% (656 maps) |
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