... Mechanical mining with mobile loading machines in West Virginia
By: by John L. Schroder ... and D.L. McElroy ...
Contributors: McElroy, Dennis Lee.
Series: Research bulletin no. 20, Engineering Experiment Station, West Virginia University
Publisher: Engineering Experiment Station, West Virginia University
Published: 1942
Place of publication: [Morgantown, W. Va
Language: eng
Number of pages: 167
Subjects: Coal mines and mining -- West Virginia.; Coal-mining machinery.
Notes: West Virginia University bulletin. Ser. 42, no. 12-II. June, 1942.