Scale 1:95,040. -- "Scale 1 1/2 miles to 1 inch". -- Shows different rock and soil materials in the Sudbury region, as well as mining companies' lots and land distribution (leased and patented). -- Includes vertical geological section across the nickel basin. -- Inset: Contoured section of nickel basin from Murray Mine to Windy Lake. -- "To accompany monograph of A.P. Coleman Fourteenth annual report of the Bureau of Mines, 1905, part III. Thos. W. Gibson, Director. Geology south of nickel range partly taken from Drs. Bell and Barlow."
