Chisago is a county in this state, as is Itasca
On October 27, 1849, nine 
counties were established: Benton, Dahkotah, Itasca, Ramsey, .... Chisago 
County  025  Center City, 1851, Washington County, Ramsey County  Chisago 
Lake,... [DOC] [TLE] Chisago County, Minnesota - Wikipedia [PAR] Chisago County is a county located in the U.S. state of Minnesota.