Train Tunnel to San Carlos Mines
http://www.lib.utexas.edu/books/landscapes/publications/txu-oclc-5040853/fullview.html
This is an old photo of the train entrance to Bracks Canyon, eastern end, San Carlos taken by the U.S. Geological society published in 1900.
The Rio Grande Northern Railway used this rail line once. Its a shame since so many oriental folks spent long hours busing it out around 1895. To read more on the rail line check out l
