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Canadian topo maps have a diagram with grid north, true north and mag north marked on it. Due to the drifting north pole, I will look up what it is this week online, and pencil it in. Grid north ...
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Canadian topo maps have a diagram with grid north, true north and mag north marked on it. Due to the drifting north pole, I will look up what it is this week online, and pencil it in. Grid north ...