Handbook--standard and approved American coal mining methods--practice--equipment
Published: 1927
Place of publication: [Washington, D.C
Language: eng
Number of pages: 293
Subjects: Coal mines and mining.
Notes: Cover-title.
Loose leaves.
Part of the  plates, diagrams, and tables are numbered as 1 page.
Paged at foot A-1 to A-28, 1 leaf, B-1 to B-51, etc.
"Published by the American Mining Congress ... Washington, D. C., under the supervision of its National Standarization Division, Coal Mining Branch."