Mineral resources of the United States by the staffs of the Bureau of Mines and Geological Survey ; foreword by J.A. Krug. - Washington, D.C. Public Affairs Press c1948. - viii, 212 p. ill., maps 29 cm. LCCN: a 48006360 Subjects--Topical Terms: Mines and mineral resources--United States. LC Class. No.: TN23 / .U76 1948 Dewey Class. No.: 338.2