"The Appalachian structural front."; "Price, Paul H. (Paul Holland), 1898-"; "Geology--Appalachian Mountains."; "Price, Paul H. (Paul Holland), 1898-"; "1931"; "Journal article reprint from: The Journal of Geology, v.39:no.1 (1931:Jan.-Feb.). A thesis about the geology of the Valley and Ridge physiographic province."; ""; "P413"; "pec"; "Geology--Appalachian Mountains."; "14256"; .