WThe Ingersoll Tile Elevator, located in Ingersoll, Oklahoma, was listed on the National Register of Historic Places in 1983. The elevator is constructed of hollow red clay tiles. Built around 1920, it was added to the Register because of its significance in the transition from wooden grain elevators to concrete. The elevator stands on the north side of US 64 and is in disrepair.
WThe George Lawshe well house is a building located in Jerome, Idaho, United States, listed on the National Register of Historic Places.
WThe Pipestone Water Tower is a 132-foot-tall (40 m) concrete water tower in Pipestone, Minnesota, United States, which is listed on the National Register of Historic Places. Unreliable rainfall and a lack of glacial lakes in the area necessitate the use of a tower to pump and store water from an underground reservoir.
WThe Polygonal Barn, New Oregon Township is an historic building located near Cresco in rural Howard County, Iowa, United States. It was built in 1920 as a show barn for English Shorthorn cattle. The 16-sided building measures 70 feet (21 m) in diameter. The polygonal barn of 6 to 16 equal sides is the most common variation of the round barn that was constructed in Iowa. It features a two-pitch sectional roof, a 13 feet (4.0 m) central silo and small dormers near the top of the roof on the north and south sides. The barn was used for dairy cattle from 1958 to 1968, and it was then used for pigs and feeder cattle. It has been listed on the National Register of Historic Places since 1986.
WThe Polygonal Barn, Van Buren Township was a historic building located in Van Buren Township in rural Jackson County, Iowa, United States. It was built in 1920 by Gus Klenney as a sale barn. They house livestock that are shown and sold to buyers. It is not known what livestock were sold here. The building was octagonal in shape and measured 50 feet (15 m) in diameter. It was listed on the National Register of Historic Places in 1986. The structure has subsequently been torn down.
WThe South Platte River Bridge, in South Park near Lake George, Colorado, was built in 1920. It was listed on the National Register of Historic Places in 2018.
WThe US-12–Coldwater River Bridge was a road bridge carrying Old US-12 over the Coldwater River in Coldwater, Michigan. It was listed on the National Register of Historic Places in 1999.