Number | Name | Date | Kind |
---|---|---|---|
1775641 | Haertl | Sep 1930 | |
2147983 | Lindsly | Feb 1939 | |
2316216 | Bandy | Apr 1943 | |
2332813 | Rolshausen et al. | Oct 1943 | |
2686566 | Barnes | Aug 1954 | |
2938388 | Byrnes | May 1960 | |
3981189 | Howard et al. | Sep 1976 |
Entry |
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Klyen, L. E., "A Vessel for Collecting Subsurface Water Samples for Geothermal Drillholes", Geothermetrics, vol. 2, No. 2, 1973. |