Union Pacific Railroad locomotive no. 5014 hauling eastbound freight meets locomotive no. 3034 hauling westbound freight at Point of Rocks, Nebraska, on March 25, 1971. Photograph by William Botkin, BOTKINW-19-WT-16 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 938 leads eastbound City of Kansas City no. 10 at Cheyenne, Wyoming, on March 25, 1971. Photograph by William Botkin, BOTKINW-19-WT-18 © 1971, William Botkin.
Union Pacific Railroad E-unit locomotive nos. 904, 956, and an unidentified number in the UP roundhouse at Cheyenne, Wyoming, on March 26, 1971. Photograph by William Botkin, BOTKINW-19-WT-30 © 1971, William Botkin.
Union Pacific Railroad gas turbine locomotive no. 18 at Cheyenne, Wyoming, on March 26, 1971. Photograph by William Botkin, BOTKINW-19-WT-31 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 6907 leads eastbound freight at Dale, Wyoming, on March 26, 1971. Photograph by William Botkin, BOTKINW-19-WT-37 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 944 leads westbound combined "City of Los Angeles," "City of San Francisco," and "Challenger" passenger train next to locomotive no. 8444 leading a passenger train at Cheyenne, Wyoming, on March 26, 1971. Photograph by William Botkin, BOTKINW-19-WT-37 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 758 hauls eastbound freight at Sherman, Wyoming, on March 28, 1971. Photograph by William Botkin, BOTKINW-19-WT-49 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 951 leads westbound combined City of Los Angeles, City of San Francisco, and Challenger train no. 103 at Borie, Wyoming, on March 28, 1971. Photograph by William Botkin, BOTKINW-19-WT-60 © 1971, William Botkin.
Union Pacific Railroad locomotive no. 79 leads westbound freight at Harriman, Wyoming, in February, 1975. Photograph by William Botkin, BOTKINW-19-WT-143 © 1975, William Botkin.
Union Pacific Railroad locomotive no. 6927 hauls eastbound freight at Hermosa, Wyoming, on February 25, 1975. Photograph by William Botkin, BOTKINW-19-WT-147 © 1975, William Botkin.
Union Pacific Railroad locomotive no. 960 leads an eastbound National Railway Historical Society excursion train at Hermosa, Wyoming, on February 25, 1975. Photograph by William Botkin, BOTKINW-19-WT-149 © 1975, William Botkin.
Union Pacific Railroad locomotive no. 840 hauls eastbound freight at Speer, Wyoming, on October 2, 1977. Photograph by William Botkin, BOTKINW-19-WT-183 © 1977, William Botkin.
Union Pacific Railroad locomotive no. 2827 hauls eastbound freight at Sherman, Wyoming, on January 14, 1981. Photograph by William Botkin, BOTKINW-19-WT-216 © 1981, William Botkin.
Union Pacific Railroad locomotive no. 6930 hauls eastbound freight at Cheyenne, Wyoming, on January 17, 1981. Photograph by William Botkin, BOTKINW-19-WT-218 © 1981, William Botkin.
Union Pacific Railroad locomotive no. 8066 hauls westbound freight at Cheyenne, Wyoming, on January 17, 1981. Photograph by William Botkin, BOTKINW-19-WT-219 © 1981, William Botkin.
Union Pacific Railroad locomotive no. 2533 hauls eastbound freight at Dale, Wyoming, on January 17, 1981. Photograph by William Botkin, BOTKINW-19-WT-224 © 1981, William Botkin.
Union Pacific Railroad locomotive no. 2903 hauls eastbound freight at Hermosa, Wyoming, on January 21, 1981. Photograph by William Botkin, BOTKINW-19-WT-234 © 1981, William Botkin.
Union Pacific Railroad switcher nos. 454 and "B" unit GP-9 S2 at Pocatello, Idaho, on June 20, 1982. Photograph by William Botkin, BOTKINW-19-WT-275 © 1982, William Botkin.
Union Pacific Railroad locomotive no. 3638 hauls westbound freight at Dale Junction, Wyoming, on May 26, 1984. Photograph by William Botkin, BOTKINW-19-WT-322 © 1984, William Botkin.
Union Pacific Railroad locomotive no. 6902 hauls westbound piggyback freight train VAN 1 at Lynch, Wyoming, at 12:45 pm on September 22, 1984. Photograph by William Botkin, BOTKINW-19-WT-332 © 1984, William Botkin.
Union Pacific Railroad locomotive no. 2473 hauls eastbound freight at Sherman, Wyoming, at 11:35 am on November 30, 1984. Photograph by William Botkin, BOTKINW-19-WT-341 © 1984, William Botkin.
A going-way shot of Union Pacific Railroad westbound freight with at Sherman, Wyoming, at 1:50 pm on December 6, 1984. Photograph by William Botkin, BOTKINW-19-WT-347 © 1984, William Botkin.
Union Pacific Railroad locomotive no. 6902 leads eastbound freight, including refrigerator cars and trailers, at Sherman, Wyoming, at 2:05 pm on December 6, 1984. Photograph by William Botkin, BOTKINW-19-WT-349 © 1984, William Botkin.
Union Pacific Railroad locomotive no. 3483 leads eastbound piggyback freight train 2FTX at Dale Junction, Wyoming, at 3:50 pm on December 7, 1984. Photograph by William Botkin, BOTKINW-19-WT-371 © 1984, William Botkin.
Union Pacific Railroad locomotive no. 3650 leads westbound freight train 020MN with GA caboose at Dale Junction, Wyoming, at 2:35 pm on March 14, 1985. Photograph by William Botkin, BOTKINW-19-WT-384 © 1985, William Botkin.
Union Pacific Railroad locomotive no. 6902 hauls eastbound piggyback freight train OAWST at Dale Junction, Wyoming, at 3:05 pm on March 14, 1985. Photograph by William Botkin, BOTKINW-19-WT-388 © 1985, William Botkin.
Union Pacific Railroad locomotive no. 3464 hauls eastbound freight at Hermosa, Wyoming, at 5:00 pm on March 14, 1985. Photograph by William Botkin, BOTKINW-19-WT-391 © 1985, William Botkin.
Union Pacific Railroad locomotive no. 3492 hauls westbound freight at Dale Junction, Wyoming, at 5:25 pm on March 15, 1985. Photograph by William Botkin, BOTKINW-19-WT-402 © 1985, William Botkin.
Union Pacific Railroad locomotive no. 3455 hauls eastbound freight at Hermosa, Wyoming, at 11:20 am on April 11, 1985. Photograph by William Botkin, BOTKINW-19-WT-405 © 1985, William Botkin.
Union Pacific Railroad locomotive no. 3715 hauls eastbound freight at Cajon Pass in Summit, California, in January, 1986. Photograph by William Botkin, BOTKINW-19-WT-416 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 3643 hauls eastbound freight at 4:25 pm at Hermosa, Wyoming, on June 7, 1986. Photograph by William Botkin, BOTKINW-19-WT-421 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 3233 hauls eastbound freight at 7:50 pm at Borie, Wyoming, on June 7, 1986. Photograph by William Botkin, BOTKINW-19-WT-429 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 701 hauls northbound freight at La Salle, Colorado, on August 26, 1986. Photograph by William Botkin, BOTKINW-19-WT-433 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 3192 hauls westbound freight train no. 117 at Hays, Kansas, at 6:50 pm, on August 27, 1986. Photograph by William Botkin, BOTKINW-19-WT-435 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 6037 hauls westbound freight at milepost 775 at Point of Rocks, Wyoming, at 3:10 pm on September 8, 1986. Photograph by William Botkin, BOTKINW-19-WT-443 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 3704 hauls eastbound freight at Cajon Pass, west of Summit, California, at 9:16 am, on December 11, 1986. Photograph by William Botkin, BOTKINW-19-WT-449 © 1986, William Botkin.
Union Pacific Railroad locomotive no. 9184 hauls eastbound freight at Colores, Wyoming, on October 1, 1988. Photograph by William Botkin, BOTKINW-19-WT-484 © 1988, William Botkin.
Union Pacific Railroad locomotive no. 9231 hauls eastbound freight east of Echo, Utah, on September 10, 1989. Photograph by William Botkin, BOTKINW-19-WT-489 © 1989, William Botkin.
Union Pacific Railroad locomotive no. 9295 hauls eastbound freight east of Echo, Utah, at 12:34 pm, on September 10, 1989. Photograph by William Botkin, BOTKINW-19-WT-492 © 1989, William Botkin.
Union Pacific Railroad locomotive no. 3679 hauls westbound freight at Devil's Slide, Utah, at 3:03 pm, on September 10, 1989. Photograph by William Botkin, BOTKINW-19-WT-493 © 1989, William Botkin.
Union Pacific Railroad locomotive no. 6628 hauling freight meets westbound freight train at Hermosa, Wyoming, at 3:05 pm, on September 21, 1991. Photograph by William Botkin, BOTKINW-19-WT-505 © 1991, William Botkin.
Union Pacific Railroad locomotive no. 6080 hauls eastbound freight at Dale Junction, Wyoming, at 11:10 am, on October 19, 1991. Photograph by William Botkin, BOTKINW-19-WT-510 © 1991, William Botkin.
Union Pacific Railroad locomotive no. 6184 hauls westbound freight west of Caliente, Nevada, at 9:45 am, on October 29, 1992. Photograph by William Botkin, BOTKINW-19-WT-520 © 1992, William Botkin.
Union Pacific Railroad locomotive no. 3685 hauls westbound freight at Eccles, Nevada, at 11:10 am, on October 29, 1992. Photograph by William Botkin, BOTKINW-19-WT-521 © 1992, William Botkin.
Union Pacific Railroad locomotive no. 3598 hauls eastbound freight at Eccles, Nevada, at 2:40 pm, on October 29, 1992. Photograph by William Botkin, BOTKINW-19-WT-523 © 1992, William Botkin.
Union Pacific E9 diesel locomotives nos. 949, 963, and 951 lead westbound David Goodheart charter train at Hermosa, Wyoming, on April 23, 1994. Photograph by William Botkin, BOTKINW-19-WT-543 © 1994, William Botkin.
Union Pacific Railroad locomotive no. 949 leads eastbound Goodheart Charter at Colores, Wyoming, on April 23, 1994. Photograph by William Botkin, BOTKINW-19-WT-546 © 1994, William Botkin.
Union Pacific Railroad locomotive no. 949 leads eastbound National Railway Historical Society excursion at Deer Trail, Colorado, at 10:15 am, on October 1, 1994. Photograph by William Botkin, BOTKINW-19-WT-551 © 1994, William Botkin.
