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          That is a very interesting question.  If nothing else
          surfaces on this list, I'd look into some of those old USGS
          reports of original surveys of the west.  Also, railroad
          survey maps of the west might show those old trails.
          Locally, in San Diego County, I have been told by County
          park rangers that portions of the Pacific Crest Trail were
          once stagecoach routes.  Look on the USGS MORENA RESERVOIR
          7.5' quad, for example.  This is a very popular segment of
          the Pacifc Crest Trail. Up until a month ago when I sold my
          old house out there, I would walk my Border Collie and
          Golden Retriever on this trail every weekend.  There is a
          foundation of an old building still standing which I was
          told was once a stagecoach station house; but that is only
          local folklore and I've never confirmed this.  I think the
          only true stories about this lake are that this is where
          Charles Hatfield (rainmaker) started the Great Flood of
          1915(?) and comedians Laurel & Hardy did some serious bass
          fishing.
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