Agreed, it has U.P. family resemblance. Seems there is a whole lot of corn in the background. I'll guess it's Kansas Pacific #17, reno #656? But Uncle Rick should be able to provide the definitive answer. Rick?
The photo credits him on the back. Possibly part of his family collection.
After some investigating I was wondering if this was Union Pacific, Denver & Gulf Railway #17.
Colorado Central 4-4-0 -- 1 locomotive
Number Builder Builder
CC 585 CC 7 Schenectady 1106 Dec 1878 1
Drive Wheel Diameter: 63 inches (rebuilt in April 1879 to 64 inches)
Cylinders: 17x24 inches
1. Built as Colorado Central 7 in 1879; to CC 585 in 1885; Colorado Central became part of UPD&G in 1890, sold to independent UPD&G in 1893; to UPD&G 17 in 1896; to C&S 103 in 1899; sold by C&S in 1900