TY  - BOOK
ED  - American Mining Congress.
TI  - Handbook--standard and approved American coal mining methods--practice--equipment
AV  - TN802 .A5
PY  - 1927///]
CY  - [Washington, D.C.
KW  - Coal mines and mining
N1  - 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."
ER  -