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?t=t&id=57268802 Geological map of Allegheny County / Second Geological Survey of Pennsylvania ; J.P. Lesley, state geologist ; J.J. Stevenson, asst. geologist ; I.C. White, asst. geologist, 1876.
From Parts (In 6 layers) Depicts: 1877 Last modified about 2 years ago. Unrectified.
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Layer List for Map 32582
Layer Title Year Number of Maps Percent Complete
?t=t&id=57172282 Parts
Last modified 5 months ago. Depicts : Download KML Bibiliographic records: Digital Collections
123 maps 3%
(4 maps)
?t=t&id=434609 Maps of North America
Last modified 3 days ago. Depicts : Download KML Bibiliographic records: Digital Collections
3965 maps 9%
(371 maps)
?t=t&id=1258619 Pennsylvania
Last modified 18 days ago. Bibiliographic records: Digital Collections
360 maps 14%
(49 maps)
?t=t&id=1166987 States
Last modified 3 days ago. Download KML Bibiliographic records: Digital Collections
3649 maps 10%
(367 maps)
?t=t&id=1030033 United States (except New York)
Last modified 3 days ago. Bibiliographic records: Digital Collections
4803 maps 13%
(626 maps)
?t=t&id=1030033 Countries
Last modified 3 days ago. Bibiliographic records: Digital Collections
4844 maps 13%
(642 maps)
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