Helvig–Olson Farm Historic District

The Helvig–Olson Farm Historic District is an agricultural historic district located in rural Clinton County, Iowa, United States, 3 miles (4.8 km) southwest of the town of Grand Mound. It was listed on the National Register of Historic Places in 2000.

Helvig–Olson Farm Historic District

The Helvig–Olson Farm Historic District is an agricultural historic district located in rural Clinton County, Iowa, United States, 3 miles (4.8 km) southwest of the town of Grand Mound. It was listed on the National Register of Historic Places in 2000.