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| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Helium-bearing natural gas |
| Series title | Professional Paper |
| Series number | 121 |
| DOI | 10.3133/pp121 |
| Edition | - |
| Year Published | 1921 |
| Language | ENGLISH |
| Description | 113 p. |
| Google Analytic Metrics | Metrics page |