Geoscience Reference
In-Depth Information
19
A long ton is the name for the unit called the ton in the imperial system of measurement that
was used in the UK before metrification. One long ton is equal to 2,240lb (1,016 kg). It is
still used in the USA for measuring the displacement of ships.
20
See en.wikipedia.org/wiki/SS_Edmund_Fitzgerald.
22
See en.wikipedia.org/wiki/MV_Derbyshire.
23
Ibid.
24
Story recounted to NLB Lightkeeper Alistair Henderson by Jack Ross himself, and recoun-
ted to the author.
