Orienteering and Geocaching
D. Chase, Jeff Steffen, Jim B. Stiehl · 2010
Those who wander aren’t necessarily lost.For centuries, wanderers searching for adventure have plotted and plodded from point to point, on land and water, using the tools available for their times: sun, stars, astrolabes, gyroscopes, sextants, and radar. These and other means for navigation guided t