| | Book | from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown...XXI Pulpit rocks on Warrior Ridge in Huntingdon County, co1nposed of the Lower Devonian Ridgeley Sandstone...description of the falls of the Youghiogheny in Fayette County. Johann David Schopf, a naturalist trained in Germany... Figure 1-3. Geological field ca1np, Son1erset County, in 1839. Pai~ted by Wi!liam van Starkenborg in |
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