nationalparkservice / places-tracing-guide

A tracing guide for the National Park Service's Places system
https://www.nps.gov/maps/tools/places/tracing-guide/
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Add docs for tunnel #1

Closed nateirwin closed 9 years ago

nateirwin commented 9 years ago

I see bridge under the roads section, but not tunnel.

Also, should we support bridge and tunnel for trails, as well?