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.