In the 1970s I developed an interest in U.S. Geological Survey topographic maps (i.e., topo maps). Hunting and fishing with my brother Neal often involved these topo maps. While the first satellite global positioning system (GPS) had been created by the US military, civilian use did not materialize until 1993. Civilian access to the Internet also occurred around 1993, but cell phone GPS was not available until 1999. Until civilian GPS became available, topo maps were the best way to explore the outdoors.
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