- Who Found
- Triton Alliance (Dan Blankenship), Phil Irwin, Diver
- When Found
- 1971
- Where Found
- At juncture where 10X's 27" steel casing ended and bedrock begins
- Firsthand / Secondhand
- References
- D'Arcy O'Connor, "The Big Dig", pg 191. Dan Blankenship's "Progress Report" dated March 22, 1979. Dan Blankenship's, "Progress Report" dated May 17, 1979
- Location Today
- Oddity Factor
- Assessment of Authenticity
- Comments
- Apparently Dan Blankenship bulldozed clay over suspected SMith's Cove flood tunnel entrance and current was gone when divers descended a week after Irwin's first dive.
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