- Source: Union Block (Oskaloosa, Kansas)
- Union Block (Oskaloosa, Kansas)
- Union Block
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The Union Block in Oskaloosa, Kansas, is a commercial block building which was built in 1892. It was listed on the National Register of Historic Places in 1973.
It is a red brick building, 100 by 80 feet (30 m × 24 m) in plan, and is composed of four two-story stores. It is located at the southwest corner of Delaware and Jefferson Streets in Oskaloosa.