New Methods for Estimating the Contents of Highly Plicated Coal Beds as Applied to the Anthracite Fields of Pennsylvania.
n.p. n.p., 1883. 16 pp. Illus. with 1 b/w drawing. Sm. 4to. Paper wrappers. Author's Edition. Very good minus, folded, wrappers soiled, starting to separate, inked in notation along top margin of front wrapper, marginal soiling to contents. Item #46123
On Cover: "Paper Read Before the Engineers' Club of Philadelphia. Signed Compliments of the author
Price: $25.00
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Science & Medicine
See all items by Charles A. Ashburner, Arthur Winslow