|The entrance to the Santa Cruz Wrigley plant, 26 April 1955, |
with tour guides ready for customers. (Covello Collection)
|Liquid cars parked behind a diesel engine beside the Wrigley plant, 2010. The|
siding runs under the eaves at left. (1TrickPony at West Coast Rail Forums.com)
|Cement car and diesel engine on the Swift Street Spur, 2010.|
(1TrickPony at West Coast Rail Forums.com)
- Peter Sinton, "Wrigley's Move Hard to Swallow", San Francisco Chronicle, 1 May 1996 <http://www.sfgate.com/business/article/Wrigley-s-Move-Hard-to-Swallow-2984211.php> (Accessed 23 May 2014).