Cornwall, Henry Rowland, 1913- Nickel deposits of North America, by H. R. Cornwall. - Washington, U.S. Govt. Print. Off., 1966. - v, 62 p. map. 24 cm. Bibliography: p. 58-62. LCCN: gs 66000258 Subjects--Topical Terms: Nickel ores--North America LC Class. No.: QE75 / .B9 no. 1223 Dewey Class. No.: 553.48