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Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa.
| Location | Call # | Status |
|---|---|---|
| Joyner - Fed Docs Stacks | ASK AT REFERENCE DESK | ✔ Available |
Influence of environmental factors on spark ignition probability
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | I 28.23:9566 | ✔ Available |
Methane emission from U.S. coal mines in 1975
| Location | Call # | Status |
|---|---|---|
| Joyner - Fed Docs Stacks | ASK AT REFERENCE DESK | ✔ Available |
Hydraulic stimulation of a surface borehole for gob degasification
| Location | Call # | Status |
|---|---|---|
| Joyner - Fed Docs Stacks | ASK AT REFERENCE DESK | ✔ Available |