1. Geological map of north western Manitoba and portions of the districts of Assiniboia and Creator: Tyrrell, Joseph Burr, 1858-1957 Published / Created: 1891 Call Number: 736CA 1891 Container / Volume: BRBL_00382 Image Count: 1 Resource Type: Maps, Atlases & Globes Alternative Title: [Multicoloured geological maps] ; no. 339 Description: Includes cross section. and Relief shown by contours ; depth shown by soundings. Publisher: Geological Survey Dept., Subject (Name): Dowling, D. B. (Donaldson Bogart), 1858-1925 and Geological Survey of Canada Subject (Topic): Geology--Manitoba--Lake Winnipegosis Region--Maps Found in: Beinecke Rare Book and Manuscript Library > Geological map of north western Manitoba and portions of the districts of Assiniboia and Saskatchewan [cartographic material] / by J. B. Tyrrell ; assisted by D. B. Dowling.