Backpacker Magazine's Using a GPS: Digital Trip Planning, Recording, and Sharing SH-4A this guide offers plenty to

this guide offers plenty to choose from:

the area is of considerable interest to students of regional geology and to numerous visitors to the mountain recreational areas

10 colored plates on CD-ROM of database of reservoirs and references to stratigraphic concepts)

and funded by land management agencies

Backpacker Magazine's Using a GPS: Digital Trip Planning, Recording, and Sharing SH-4A this guide offers plenty toBackpacker magazine's Using a GPS brings you essential mind gear from the two most respected and reliable publishers of outdoor related information. Learn how to use a GPS to plan and record your trip, and how to edit and enhance your maps and share them with the world. Get a handle on a range of other essentials, from basic field techniques and how a GPS works to computer based mapping with GPS, as well as conventional navigation skills. Perfect for