Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1923-08-21
  • Location Covered = Bradford

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Top of Catskill (lower half) base of Cuyahoga shale (upper, 700 feet thick)
Top of Catskill (lower half) base of Cuyahoga shale (upper, 700 feet thick)
Stratigraphy
Top of Catskill (lower half) base of Cuyahoga shale (upper, 700 feet thick). Where railroad turns north from Sugar Run., 18-23