Search Results       Your search for [subject]Powers, Sidney, 1890-1932 returned 1 record.           Problems of petroleum geologey : a compilation of forty-three papers prepared for this volume by forty-seven authors; not previously published; in part read in preliminary form before annual meetings of the American association of petroleum geologists; edited by W. E. Wrather and F. H. Lahee. London: Murby, 1934. Subject: Petroleum -- United States; Geology, Structural; Geology -- United States; Powers, Sidney, 1890-1932.          Add to Book Cart Relevance: 25.61%