Dubuque Land OfficeCopied; same as ID 635 with added area east of Lake St. Croix; may be a compilation platGeoJPEGt030r20w4fi02MN-T030N-R020WengMinnesota Geospatial Information Office (MnGeo)8888-003PublicGeneral Land Office Township Plat - Original Survey: Minnesota (T030N R20W), 1855MapsMinnesotaT030N-R20WT030N-R020W1855