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Here in Oregon, and I suppose most other "western" states,
there are warnings in the winter about going off of main highways
with only "electronic" maps...battery failure, incorrect information,
loss of internet signal, etc.
Each year there are news reports of people getting lost
who relied on, or could not properly read, cellar/gps maps.
... sometimes with very bad consequences.
My G-son does a fair amount of "off-road" travel,
and topological maps and compass are routine equipment for him.
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