|
COAL MINING |
|
|
|
|
|
TOM |
Bag |
Item |
Frame |
|
|
MINING developments, coal, in wartime, review of |
64 |
|
|
1432-1455 |
|
MISECLLANEOUS data on coal mining |
64 |
|
|
1456-1472 |
|
PLANER, coal, description of |
64 |
|
|
1379-1404 |
|
“ , coal, operation of |
64 |
|
|
1405-1428 |
|
RUHR coal field, technical report on, reported by Reid, R. Lancaster, D. Jackson and R. Crawford |
227 |
|
|
10 ‘50-10 ‘85 |
|
STATISTICAL data on German coal production (1942-August 1944) |
150 |
|
|
594-595 |