PCAD - Link: Method of Constructing Rock Tunnel of 50-ft. Clear Width, Stockton St., San Francisco

Accessed at URL:

Accessed at URL:

http://books.google.com/books?id=tJdMAAAAYAAJ&lpg=PA93&ots=5-CK5XsJ_U&dq=stockton%20tunnel%20911&pg=PA93#v=onepage&q=stockton%20tunnel%20911&f=false

Originally accessed:

Originally accessed:

2012-04-11

Organization:

Organization:

Google Books

Notes:

Notes:

Article by E.G. Tilton, Engineering and Contracting, XLIII, 02/03/1915, p. 93.

Associated with:

Associated With:

Building:

Building:

City and County of San Francisco, Department of Public Works, Stockton Street Tunnel, San Francisco, CA