Loyalhanna limestone 40 feet thick cross-bedded siliceous limestone (lower half of rock exposure)

Loyalhanna limestone 40 feet thick cross-bedded siliceous limestone (lower half of rock exposure)

Stratigraphy

Loyalhanna limestone 40 feet thick cross-bedded siliceous limestone (lower half of rock exposure), Allegrippus.; 18-16; use lens to see details.

Ashley, Geo. H. (George Hall), 1866-1951

1923-08-21

Blair

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Photographs

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1111

430, N.B. page 18

325.1

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Pennsylvania Geological Survey

This Digital Object is provided in a collection that is included in POWER Library: Pennsylvania Photos and Documents, which is funded by the Office of Commonwealth Libraries of Pennsylvania/Pennsylvania Department of Education.

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