South Shore shaft (stone triangle shaft)

Found 30 Oct 1965 while trenching: dome-topped shaft about 7 to 8 ft wide, 12 ft below the surface, pick marks on the walls. Dug to 54 ft (1965) and 90 ft (1966). Blankenship's profile: void 12 to 15.5, water to 23, puddled clay 65 to 77, stinking muck 77 to 85, round granite stones 85 to 90, bottom about 15 by 15 ft.

No public source gives this hole's position.

What the Drill Found

1. 0 ft
   SurfaceTop of the shaft
2. 12 ft
3. 12 to 15.5 ft
   CavityDome-shaped top of the shaft, about 8 ft wide; top 3 to 4 ft empty, pick marks on walls and roof
   Dan Blankenship notes (1965), transcribed by MacPhie
4. 18 to 30 ft
   WoodTwigs, branches and pieces of roots from about 18 to 30 ft
   Dan Blankenship (1966)
5. 30 ft
6. 60 ft
   MetalHand-wrought nail
   Dan Blankenship (1966)
   Hand-wrought nail + nut/washer →
7. 60 to 65 ft
   WoodPiece of juniper or cedar (60 ft in the notes, about 65 ft in the 1966 letter)
   Dan Blankenship
8. 65 to 77 ft
   Soil / clayAlternating layers of red sandy soil and blue clay (Blankenship: man-made puddled clay)
   Dan Blankenship (1966)
9. 77 to 90 ft
   Stone / rock8 ft of black muck, then 5 ft of rounded granite boulders in 'a pool of black stagnant water'
   Dan Blankenship (1966)
10. 77 to 85 ft
    Soil / claySoft, stinking muck and stagnant fresh water (marked 'tunnel' on his profile)
    Dan Blankenship notes
11. 85 to 90 ft
    Stone / rockRocks the size of a man's head at the bottom (Blankenship: surface granite, like ballast stones); bottom about 15 x 15 ft
    Dan Blankenship notes

Rows are in depth order; the column on the left is the hole, and a figure between rows is the stretch with nothing logged. Depths as reported by each source.

Sources

• Blankenship reports (1965-94) p4-11; Harris and MacPhie (2013)
• Blankenship reports (1965-94) p4, p7
• Blankenship reports (1965-94) p7, p10
• Harris and MacPhie, Oak Island and its Lost Treasure, 3rd ed. (2013); scan p86
• Blankenship reports (1965-94) p4, p10
• Blankenship reports (1965-94) p4
• Positions and depths: see how we know this on the Money Pit Map.