Rough grading of south approach to Collier Tunnel
DT Data Page #: 268
Newspaper: Humboldt Times
Newspaper Date: 8/11/1962
Page #: 9
Item Type: Road Work
Place: Collier Tunnel
Text: Rough grading of the south approach to the Collier Tunnel was completed prior to this weeks rainstorm. The tunnel is 1,925' feet long.
Key Words: Collier Tunnel, Rough Grading
Microfilm Call # : MF 10










