Southwest oil world.
| Previous Title: | Drill bit |
|---|---|
| Format: | Journal |
| Language: | English |
| Published: |
[Denver, Colo.] :
[Hart Publications]
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| Subjects: | |
| Online Availability: |
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| Published: | Vol. 34, no. 8 (Aug. 1985)- |
|---|---|
| Physical Description: | volumes : illustrations ; 28 cm. |
| Publication Frequency: | Bimonthly v. 36 1987/89- |
| ISSN: | 0884-6219 0012-6225 |