Hardcover. Zustand: Very Good. Stated First Edition, Fourth Impression. 12mo, 7.25 in. x 5.25 in., pp. 391. Illustrated with black and white photographs and drawings, and four fold-out "survey records." Contemporary burgundy cloth boards with frame stamped in blind to front. Gilt title to spine. Light wear to extremities. Small dent to fore-edge to front board. Light soiling to sine. Light age-toning to pages. Unmarked interior. Edward Benjamin Durham (c. 1870s - c. 1930s) was an American mining engineer and Professor at Columbia University and the University of California, Berkeley, especially known for his work on mine surveying. (from Wikipedidia).