http://www.hcn.org These are the search results for the query, showing results 1 to 1. http://www.hcn.org/issues/319/16221 The new hobby of geocaching gives the author and her husband an excuse to explore Wyoming with a GPS while seeking to decode small human mysteries No publisher Julianne Couch Human Beings and Nature Geocaching GPS units exploring childhood memories treasure maps decoding cartography journeys quests Garmin eTrex Lewis and Clark expedition waypoints caches family history Alzheimer’s memory hobbies 2010-02-05T09:33:26Z News Article