1. Keokuk Co Quarry & Sand 31152 240th Ave, Ollie, IA 52576 Coordinate: 41.20446,-92.13771 Phone: (641) 667-2009
2. Douds Stone Inc Ollie Quarry, Ollie, IA 52576 Coordinate: 41.19807,-92.0924 Phone: (641) 667-3911