Ohnstad Twichell PC Address: 210 Front St S, Barnesville, MN 56514 Phone: (218) 354-7011 Lawyers Other Businesses: Ohnstad Twichell PC at 210 Front St S, Barnesville, MN 56514 Ohnstad Twichell PC at 210 Front St S, Barnesville, MN 56514 Ohnstad Twichell PC at 210 Front St S, Barnesville, MN 56514 Allen Law Office at 407 9th St SE, Barnesville, MN 56514