The Treasure of Louisbourg
For twenty-five years, France poured a fortune into the Fortress of Louisbourg, building the migh...
Drilled 1970 by Golder Associates, 225 ft
21 to 28 May 1970. Pine needles and wood at 84 to 84.9; wrought iron fragments in an intact sand sample at 84.5 to 86.5 (Stelco: before 1800); metal flakes at 88.6 to 89.7; dense sand over cobbles and boulders in red-brown matrix 84 to 90; sound gypsum about 220; traces of recent pollen 220 to 225.
Positions on the map are approximate; each dot marks the top of the hole.
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.
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