Street, heads east on 230th Avenue, heads generally north on Olympic Street, and terminates at its intersection with 300th Avenue (CR 3). County Road 12 is a route servicing Lewis Lake, Brunswick Township and Arthur Township. The route begins at its intersection with 125th Avenue (CR 4), heads north on Harbor Street, heads east then north on 200th Avenue, and terminating at its intersection with 210th Avenue (CR 6). County Road 13 is a route servicing Kanabec Township and South Fork Township. The route begins at its intersection with State Highway 23 (MN 23), briefly heads north on Cable Street, heads west on 160th Avenue, and terminates at the county line. The road continues west as Mille Lacs CR 11. County Road 14 is a route servicing Arthur Township. The route begins at its intersection with State Highway 65 (MN 65), generally heads west and north on Fish Lake Road, following the southern and western shores Fish Lake, and terminates at its intersection with State Highway 23 (MN 23). County Road 15 is a route serving Hillman Township. The route begins at its intersection with 290th Avenue (CR 3), heads north on Harbor Street, heads west on 320th Avenue, and terminates at its intersection with State Highway 47 (MN 47). County Road 16 is a route serving Brunswick Township and Coin. The route begins as a continuation of Isanti CR 14, heads north , east and north on King Road, terminating at its intersection with State Highway 65 (MN 65). County Road 17 is a route servicing Grasston, Grass Lake Township, Comfort Township, Brunswick Township, Arthur Township and Mora. The route begins at its intersection with State Highway 107 (MN 107), generally heads west on Pine Street and 143rd Avenue, heads north on Porter Street, heads west on 145th Avenue, heads northwest and then north on Plum Street, heads west on 155th Avenue, heads north on Naples Street, heads west on 160th Avenue, briefly heads concurrently south on Mahogany Street (CR 11), continues to generally heads west on 160th Avenue, generally heads north on Liberty Street and then South Walnut Street, and terminates at its intersection with State Highway 23 (MN 23). County Road 18 is a route servicing Comfort Township and Arthur Township. The route begins at its intersection with Plum Street (CR 5), heads west on 130th Avenue, heads north on Naples Street, heads west on 135th Avenue,