Complete Guide to map symbols and the UTM coordinate system. Pocket-sized GPS Topo Grid Guide helps you create waypoints for your GPS, quickly plot your GPS position on any topo map and includes UTM grid tools for 1:24k, 1:25k, 1:50k, 1:62.5k, 1:63, 360, 1:100k and 1:250k map scales. Grid Guide is waterproof, tear-resistant and works with any GPS.
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