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Rubber-sheathed trailing cables
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.3-358 | ✔ Available |
Removal of soot from furnaces and flues by use of salts or compounds
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.3-360 | ✔ Available |
Falls of roof and coal in mines operating in Sewickley coal bed in Monongalia County, W.Va.
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.5-520 | ✔ Available |
Falls of roof and coal in mines operating in Pittsburgh coal bed in Marion and Monongalia Counties, W.Va.
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.5-522 | ✔ Available |
Falls of roof and coal in mines operating in Pittsburgh coal bed, Panhandle district, West Virginia
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.5-534 | ✔ Available |
One hundred per cent of employees of 2 large Illinois coal mines trained in first aid
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.11-6020 | ✔ Available |
Mining practice at Morenci Branch, Phelps Dodge Corp., Morenci, Ariz
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.11-6107 | ✔ Available |
Mining methods of Tennessee Copper Company, Ducktown, Tenn
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.11-6149 | ✔ Available |
Mining methods and costs in Waco district
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | C22.11-6150 | ✔ Available |