The Hiker's Paradise by Louis Allen - Oakland Tribune 07 May 1922, Sun Page 77 on July 14, 2018 1900s diablo dimond East Portal hike Hiram Thorne history louis allen oakland old roads parks redwood redwood canyon redwood peak Sacramento Short Line tribune +
To the Summit of Mount Diablo by Wheel. - San Francisco Chronicle 08 Apr 1889, Mon Page 5 on April 13, 2018 1880s bay city wheelmen bicycle chronicle diablo history oakland old roads track women on bikes +