Cross-section of the Newhouse Tunnel - 239ca4602977692ba6c8affe7862d01c
Summary
Derived title. Manuscript cross-section of the Newhouse Tunnel, later renamed the Argo Tunnel. Diagram provides elevations and dates when sections were completed, from 1893 until February, 1907.; Scale not given
Tags
Date
1893
Source
Denver Public Library
Link
Copyright info
public domain