? ? ? ? ? Tuscarora Fm. Juniata Fm. Bald Eagle Fm. Reedsville Fm. Coburn to Loysburg Formations Bellefonte Fm. Imbricate Thrust Model WEST Birmingham Thrust Fault ? ? Rose Hill Shale (Clinton Group) Juniata Fm. Bald Eagle Fm. Reedsville Fm. Coburn to Loysburg Formations Bellefonte Fm. Brallier Shale (Hamilton Group) Tuscarora Fm. Bald Eagle Valley Skytop Matternville Overturned Fold Model WEST EAST EAST Birmingham Thrust Fault Rose Hill Shale (Clinton Group) Skytop ROAD CUT Landslides developed on fold limbs EAST WEST Tuscarora Fm. Enlarged Section: Brallier Shale (Hamilton Group) Figure 5. Structural models for Skytop. C-12 structural domain A-12 structural domain