GTRMapping.com - constantly collecting, reviewing, and organizing information for map updating and compilation. A few of the sources we access for information include the departments of transportation, State Parks, Fish & Game, U. S. Forest Service, BLM, National Parks, U. S. Fish & Wildlife, chambers of commerce, visitors bureaus, etc. A considerable amount of field checking has also been done to verify data.
Paper maps remain valid in a world of GPS enabled phones. GTR maps are designed for those going off grid, heading towards outdoor adventures!
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