“T now mixed up some vermulion in
melted grease, and inscribed, in large
characters, on the South-East face
of the rock on which we had slept
last night, this brief memorial - - -
‘Alexander Mackenzie, from Canada,
by land, the twenty-second of July,
one thousand seven hundred and
ninety-three’ ”’.

Mackenzie's Voyages, 1801 edition, page 349,