Minnihan Law Firm Address: 906 9th St, Onawa, IA 51040 Phone: (712) 423-2006 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Lawyers Other Businesses: Jensen, Michael P at 710 Iowa Ave, Onawa, IA 51040 Nelson & Rock Contracting Inc at 23565 Highway K45, Onawa, IA 51040