Visit Oak island · The Official Guided Tour of Oak Island · the Oak Island Museum & Treasure Shop
Warnock Hersey hole W9 (Hole #9) at the Oak Island Money Pit (AI-assisted historical reconstruction, not a photograph)
Borehole Era III, The Machine Age Warnock Hersey 1969 On the map, position approximate

Warnock Hersey hole W9 (Hole #9)

Drilled 1969 by W. Bowmaster with Warnock Hersey, 219 ft

Depth219 ft
Below the post-1966 ground at the Money Pit (about 10 ft below original ground)
Year1969
ByW. Bowmaster with Warnock Hersey
Where4.5 ft from B33 and 7.3 ft west of B24
CampaignWarnock Hersey drilling (1969)

Gypsum at 165; wood from 192, cored 192 to 197 (red brick-like clay on the bit; driller judged over 4 ft of solid wood); cased to 196; cavity 200 to 206 with stagnant, discoloured water; soft gypsum to 219. Kept as a pumping hole. Probably the hole Golder calls Borehole 11A ('also referred to as Borehole 24'), cased to about 198 ft and ending in a cavity; identity not certain.

Positions on the map are approximate; each dot marks the top of the hole.

What the Drill Found

  1. 0 ft
    SurfaceTop of the hole
  2. 165 ft
    Stone / rockGypsum bedrock; a thin gypsum layer broke through
    Dan Blankenship (29 Nov 1969)
  3. 192 to 197 ft
    WoodWood from 192; cored 192 to 197 at very slow penetration; red brick-like clay on the worn bit; the driller judged over 4 ft of solid wood, likely the side of cribbing
    MacPhie: wood 192 to 196, a considerable amount of wood chips.
    Dan Blankenship (29 Nov 1969)
  4. 200 to 206 ft
    CavityCavity; water changed colour and smelled stagnant
    Dan Blankenship (29 Nov 1969); Les MacPhie (2008)
  5. 206 to 219 ft
    Stone / rockSoft gypsum bedrock
    Dan Blankenship (29 Nov 1969)

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.

Where It Sits

Sources

  • MacPhie (2008) p9, p12; Blankenship reports (1965-94) p15; Golder (1971) p15-16
  • Blankenship reports (1965-94) p15
  • Blankenship reports (1965-94) p15; MacPhie (2008) p9
  • Positions and depths: see how we know this on the Money Pit Map.