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

Keywords: , Science & Medicine, Pennsylvania, Pamphlet


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