Additionally, D&RGW 2-8-2's, Durango-Farmington. L131 2-8-8-2 helpers on Soldier Summit, UT. Rio Grande 3 cyl 4-8-2's running on the arid terrain west of Grand Jct, CO. D&SL 2-6-6-0's and D&RGW L95/96 2-8-8-2's working up the Moffat Tunnel line west of Denver. Uintah RR behind their 2-6-6-2 tank locomotives. Missouri-Kansas-Texas (The "Katy") heavy 2-8-2's in fast freight service in North Texas.
The last runs of steam on the Missabe Road were made with 2-10-2 #514 in Sept 1962 - employing one of their water cars.
Auxiliary water cars most frequently took the form of rebuilt steam locomotive tenders or tank cars.