- Serving Aitkin, Chisago, Isanti, Kanabec, Mille Lacs, and Pine counties in East Central Minnesota Internet access is now available in all ECRL branches. Please read our Internet Acceptable Use Policy. Reference Questions may now be submitted online! Please check out our Reference Question Form. Need Federal Tax forms Click HERE! Need Minnesota Tax forms Click HERE! General Reference Center ...ecrl.lib.mn.us