Coal
By: by Chas. A. Ashburner
Contributors: Geological Survey (U.S.)
Publisher: G.P.O.
Published: 1887
Place of publication: Washington
Language: eng
Number of pages: 378
Subjects: Coal; Coal mines and mining
Notes: At head of title: Department of the Interior.  United States Geological Survey.  J. W. Powell, Director.

"Abstract from 'Mineral resources of the United States, calendar year 1886' - David T. Day, Chief of the Division of Mining Statistics and Technology."