Baptiste Straight-thumb's map of Yellow Knife River to the Barren Grounds and the head of 'Top of the Head' River
1 map on 2 sheets : ms., on paper ; each 21 x 26 cm.
28 July 1892
Shows the Yellow Knife route to the barren lands, depicting the river from Black Lake and then north to Rabbit Mountain Lake and the 'Top of the Head' river which 'flows to the sea'. This is probably a route that leads north via Great Slave Lake to the Arctic Ocean.
"Title from map, supplied by J.B. Tyrrell."
J.B. Tyrrell refers to information being obtained on this route in his 1892 field notebook but does not mention the source.
"Outline map in pen and pencil on Geological Survey Department letterhead, probably drawn by J.B. Tyrrell, with place names supplied by Tyrrell."
Note on sheet 1: It would take two months and a half to ascend in large canoes. There is also a road up Grease Mt. River to Rabbit Mt. Lake taking 5 weeks to go.
"Note on verso, dated July 29, 1892: Add to sheet 2 of Jos Mercredis' map of Lake Athabasca."
Forms part of the 'Geological Survey maps' sub-series.
"Ms Coll 26, map 1892.008, Tyrrell mapcase"
Tyrrell, Joseph Burr, 1858-1957
Black Lake (Sask.)