Ore Deposits In The United States 1933-1967 Volume 1. By John D. Ridge. First Edition, sponsored by The Rocky Mountain Fund. Published by The American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc., New York 1968. Excellent condition gold hardcover with paper jacket. Graton sales volume. Large photo and biography of Louis Caryl Graton in front pages. Jacket worn, book in excellent condition.