Second report on the coals of Maryland
By: by Charles K. Swartz and William A. Baker, jr.; with an introduction by Edward Bennett Mathews
Contributors: Baker, William A., Jr; Mathews, Edward Bennett, b. 1869
Series: Special publication -- v.11, pt.1
Publisher: Johns Hopkins press
Published: 1920
Place of publication: Baltimore, Md
Language: eng
Number of pages: 296
Subjects: Coal -- Maryland; Coal mines and mining -- Maryland
Notes: "December 1920."

Three plates folded in pocket

Also published in Maryland.  Geological survey.  [Reports] vol. XI, pt. 1, 1922, p. [27]-288

Includes bibliographical references