Coal manpower projections, 1970-80
Subtitle: final report : submitted to Bureau of Mines, Education and Training, U. S. Dept. of the Interior
By: by Leo Kramer, Inc
Series: United States. Bureau of Mines. Open file report -- 21-73; Open file report (United States. Bureau of Mines) -- 21-73
Publisher: Kramer; distributed by National Technical Information Service
Published: 1972
Place of publication: Washington, D. C; Springfield, Va
Language: eng
Number of pages: 63
Subjects: Coal miners; Coal mines and mining
Notes: "Contract No. P0121220."