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Home / Mojave Preserve and Desert bikepacking trips / Fall 2012: Mojave National Preserve bicycle-camping and hiking, Lanfair Valley loop / Day 3: To the Lost Campsite in Lanfair Valley from Slaughterhouse Spring, via Hart Mine Road /
I'm surpised that this drainage tunnel is in such good condition
...then it occurs to me that the tunnel has likely been maintained here because the important access road to Bathtub Spring passes over it. Most other parts of the old railway grade are apparently being allowed to return to nature.