Operating Repeaters On:

Also check out these repeaters :
147.315 ( + ) (tone 136.5) Clear Lake -- W0GC
444.300 ( + ) (tone 136.5) Clear Lake -- W0GC
443.725 ( + ) Watertown -- K0TY ( IRLP )
145.390 ( - ) ( tone 127.3) Gary -- K0TY
145.110 ( - ) (tone 146.2) Verdi, Mn -- KA0BWS
447.000 ( - ) (tone 136.5) Verdi, MN -- WB6AMY
146.850 ( - ) ( tone 146.2) Watertown -- W0WTN
146.730 (- )  Madison, MN
147.195 ( + )  Marshall, MN -- W0BMJ
146.790 ( - ) (tone 141.3 ) Slayton, MN
147.285 ( + ) (tone 146.2) Humbolt (SD Link)
146.670 ( - ) (tone 146.2) Garden City (SD Link)
146.895 ( - ) ( tone 146.2) Sioux Falls --W0ZWY
444.200 ( + ) (tone 82.5) Sioux Falls -- N0IHX
440.175 ( + ) (tone 131.8) Madison -- KB0MRG

APRS 144.390 Mhz digipeaters:

Watertown and Clear Lake
Brookings Volga and Elkton
Tyler and Marshall, MN
Coleman Tea Sioux Falls
Turkey Ridge and more....
 

View of the repeater site for the Brookings
146.940 machine.