Filters: Tags: {"type":"Butts, Charles"} (X) > Types: OGC WFS Layer (X)

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Brallier shale, these thick beds are thinly laminated and break down into thin chips on weathering. Huntingdon County, Pennsylvania. 1924. Brallier shale, these thick beds are thinly laminated and break down into thin chips on weathering. Cut on Pennsylvania railroad about half a mile east of Huntingdon, looking north. Huntingdon County, Pennsylvania. 1924. Plate 20 in U.S. Geological Survey. Folio 227. 1945. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Butts, C. Collection, Huntingdon County, Pennsylvania, Photographers, Photographers, photo print