Grain elevators, Industrial Pattern by Winter, Margaret C. (1905 - 1993)
Lithograph, full margins. Signed, titled and dated in pencil, lower margin. “A superb, dark  impression of this scarce print.”
 
Matted, Image size: 11in x 13.6in (27.9 x 34.6cm). 
Overall size 22in x 28in (55.9 x 71.1cm).
Made in: US, 1952 
Art-In-Industry collection number pp_140