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, 250 ft
1 to 19 May 1970. Metal at 138.0 and 141.5 with lightly cemented sandstone fragments between; timber 143.0 to 144.9 (white spruce, oily and greasy); gypsum from about 156; pollen at 192 to 198 shows recent surface soil (backfill).
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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