H-10-44s 278 and 270 by Frisco.org Posted on January 17, 2019 H-10-44s 278 and 270 H-10-44s 278 and 270 (location unknown) in September 1972. This entry was posted in CA Collection and tagged 270, 278, Fairbanks-Morse, H-10-44. Bookmark the permalink.
I would guess that location is Tulsa, OK.