"Shuttle-car haulage in West Virginia."; "McElroy, D. L. ", "Schroder, John L."; "Shuttle cars (Mine haulage)", "Coal mines and mining--West Virginia."; "Schroder, John L.", "McElroy, D. L. "; "1941"; "

Serial issue. Issued as: American Institute of Mining and Metallurgical Engineers. Technical publication, no. 1331.

"; ""; "P15485"; "pec"; "Shuttle cars (Mine haulage)", "Coal mines and mining--West Virginia."; "14256"; .