... scales You can make a homemade scale by photocopying the meters scale at the bottom of a USGS topo map, cutting out the desired scale, and gluing it to a piece of heavy paper (see figure 44). Any of these techniques will allow you to ...
... Books staff, particularly Margaret Sullivan and Laura Shauger, and Mountaineers climber and GPS user John Bell (coauthor with Bob of the navigation chapter of Mountaineering: The Freedom of the Hills, 8th edition), Chuck Haberbush, Jim ...
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