The Arthur and Ellen Colgan House, at 407 Third Street in Edgemont, South Dakota, was listed on the National Register of Historic Places in 2017.
The house was built in 1900. It has a wraparound porch, and according to the South Dakota State Historical Society, its architecture reflects the then-ongoing transition between the Queen Anne and Colonial Revival styles. (includes photo)
The Colgans owned general merchandise stores in Oelrichs and in Edgemont.
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