"Mineralogy of sandstones of northern West Virginia."; "Martens, James H. C."; "Sandstone--West Virginia.", "Mineralogy--West Virginia."; "Martens, James H. C."; "1933"; "Journal article reprint from: Proceedings West Virginia Academy of Science, v.6 (1933:Mar.). Issued as: Contribution no. 93 of the Division of Industrial Sciences, West Virginia University. "; ""; "P1215"; "pec"; "Sandstone--West Virginia.", "Mineralogy--West Virginia."; "14256"; .