PLEASE DO NOT WRITE OR MARK ON THE MAP 1. Sections Activity 7.5B: Public Land Survey System Use the topographic map supplied by your instructor to complete the following. The Northern Theoretical Tiles, the Southern Reference Grid and the most accurate southern Cadastral Mapping datasets are combined into this dataset. Township and Range -1 mile- 6 miles 1 mile 1 mile B. The product is a computed, topologically structured, theoretical quarter section grid of the unsurveyed north. Coordinates are in the NAD83 UTM projection. 001) and go north to the Alberta/NWT border, ending at Twp. Where no ortho photo coverage existed boundaries were 50,000 NTS map sheets. In Alberta, the Township System has 126 townships that start at the Canada/US border (Twp. Manitoba Land Initiative Quarter Section Grids Southern Grid -Īll DLS township and section boundaries were derived by photo interpretation of the centerline intersection points of dominion government road allowances as shown on 60,000 scale ortho photos where coverage exists and mathematical computation of the boundaries relative to said road allowance intersection points.
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