Map of Cambria and Indiana Railroad in 1923. The scale of the map is severely distorted.
No author listed. Publisher is "National Railway Publication Company", New York.
"Official Guide of the Railways...," Volume 56, Number 2, July 1923, p 1110 in original paper version (p 1138 in hathitrust digital version). Accessed through hathitrust.org <a rel="nofollow" class="external free" href="https://hdl.handle.net/2027/uc1.b2999709">https://hdl.handle.net/2027/uc1.b2999709</a>