Coal exploratory drilling; a cost percentage comparison of three methods
January 1, 1979
No abstract available.
Citation Information
Publication Year | 1979 |
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Title | Coal exploratory drilling; a cost percentage comparison of three methods |
DOI | 10.3133/ofr791100 |
Authors | Robert G. Hobbs |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Open-File Report |
Series Number | 79-1100 |
Index ID | ofr791100 |
Record Source | USGS Publications Warehouse |