Groton, SD -- Photograph -- History -- Railroad
Black and white photograph. Chicago Milwauke St Paul & Pacific Railroad Company Tower, at E-266 (Groton), SD, looking East, from the R.C. Lathrop Collection, built 1911, This tower was the manual interlocking plant for the CNW Interlocking at Groton. Man in tower handled signals & switches.
Alexander Mitchell Public Library
Beulah Williams Library Archives and Special Collections
“Groton Tower,” Aberdeen Area History, accessed July 30, 2021, http://www.aberdeenareahistory.org/items/show/1775.