![Southern Pacific Railroad locomotive no. 9232W hauling westbound freight meets eastbound locomotive no. 9132E at Hotlum, California, on September 16, 1974. Photograph by William Botkin, BOTKINW-18-WT-5 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52287440027_1878751561_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9232W hauling westbound freight meets eastbound locomotive no. 9132E at Hotlum, California, on September 16, 1974. Photograph by William Botkin, BOTKINW-18-WT-5 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9232 hauls westbound freight at Dunsmuir, California, on September 16, 1974. Photograph by William Botkin, BOTKINW-18-WT-8 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288417713_1dc7e82345_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9232 hauls westbound freight at Dunsmuir, California, on September 16, 1974. Photograph by William Botkin, BOTKINW-18-WT-8 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9162 hauls westbound freight at Mt. Shasta, California, on September 17, 1974. Photograph by William Botkin, BOTKINW-18-WT-10 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52287439927_70733100f1_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9162 hauls westbound freight at Mt. Shasta, California, on September 17, 1974. Photograph by William Botkin, BOTKINW-18-WT-10 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 8458 hauls westbound freight at Gibson, California, on September 17, 1974. Photograph by William Botkin, BOTKINW-18-WT-20 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288412511_36650f35a7_b.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 8458 hauls westbound freight at Gibson, California, on September 17, 1974. Photograph by William Botkin, BOTKINW-18-WT-20 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 8804 hauls eastbound freight at Norden, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-24 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288417648_d3570af877_b.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 8804 hauls eastbound freight at Norden, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-24 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 3369 hauls westbound freight at Cisco, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-27 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288417628_3bd0b95571_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 3369 hauls westbound freight at Cisco, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-27 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9083 hauls westbound freight at Troy, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-32 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288682264_06e1158ae7_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9083 hauls westbound freight at Troy, California, on September 21, 1974. Photograph by William Botkin, BOTKINW-18-WT-32 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9166 hauls eastbound freight at Casa Loma, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-41 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288902500_18ca83e3d9_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9166 hauls eastbound freight at Casa Loma, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-41 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9187 hauls freight at Casa Loma, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-42 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288412321_4f5f08e1fe_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9187 hauls freight at Casa Loma, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-42 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9196 hauls westbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-45 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288417533_d52ff7b59b_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9196 hauls westbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-45 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 9327 hauls eastbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-47 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288902400_66a9226a31_b.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 9327 hauls eastbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-47 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 8926 hauls eastbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-48 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288682369_743c559a2c_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 8926 hauls eastbound freight at Cisco, California, on September 22, 1974. Photograph by William Botkin, BOTKINW-18-WT-48 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 5316 hauls eastbound freight at the Tehachapi Loop in Walong, California, on September 26, 1974. Photograph by William Botkin, BOTKINW-18-WT-59 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288682349_908d02f4c0_b.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 5316 hauls eastbound freight at the Tehachapi Loop in Walong, California, on September 26, 1974. Photograph by William Botkin, BOTKINW-18-WT-59 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 5304 hauls westbound freight at the Tehachapi Loop in Walong, California, on September 26, 1974. Photograph by William Botkin, BOTKINW-18-WT-72 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288417433_6e74aed52a_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 5304 hauls westbound freight at the Tehachapi Loop in Walong, California, on September 26, 1974. Photograph by William Botkin, BOTKINW-18-WT-72 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 8300 hauls eastbound freight at the Tehachapi Loop in Walong, California, on September 27, 1974. Photograph by William Botkin, BOTKINW-18-WT-80 © 1974, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288902270_08724812ca_b.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 8300 hauls eastbound freight at the Tehachapi Loop in Walong, California, on September 27, 1974. Photograph by William Botkin, BOTKINW-18-WT-80 © 1974, William Botkin.
![Southern Pacific Railroad locomotive no. 8355 hauls westbound freight at Cajon Pass Canyon in Hiland, California, on December 10, 1986. Photograph by William Botkin, BOTKINW-18-WT-90 © 1986, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52288682289_85287bb4ad_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 8355 hauls westbound freight at Cajon Pass Canyon in Hiland, California, on December 10, 1986. Photograph by William Botkin, BOTKINW-18-WT-90 © 1986, William Botkin.
![Southern Pacific Railroad locomotive no. 7533 hauls westbound freight at Cajon Pass Canyon in Hiland, California, on December 10, 1986. Photograph by William Botkin, BOTKINW-18-WT-92 © 1986, William Botkin.](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F65535%2F52287439527_c61cc62a75_h.jpg&h=310&q=90&f=.jpg)
Southern Pacific Railroad locomotive no. 7533 hauls westbound freight at Cajon Pass Canyon in Hiland, California, on December 10, 1986. Photograph by William Botkin, BOTKINW-18-WT-92 © 1986, William Botkin.