Eastbound at Deeth, NV on July 28, 1979. Photograph by John F. Bjorklund, collection of the Center for Railroad Photography & Art, http://www.railphoto-art.org
Freight Schedules
WP Freight Schedules 11-20-1982
Other Resources
Wx4.org has a couple condensed freight schedules here and has other pages with WP employee timetables.