Smith, William Henking, 1919- Sand and gravel resources in northern Ohio / by William H. Smith. - Columbus : State of Ohio, Dept. of Public Works, Geological Survey of Ohio, 1949. - 24 p. : map ; 25 cm. Title from cover. Includes bibliographical references (p. 24). LCCN: gs 50000062 Subjects--Topical Terms: Sand.Gravel.Geology--Ohio. LC Class. No.: QE151 / .A186 no. 6 Gov. Doc. Class. No.: ONR 84.19:6