Marys River (Illinois) Marys River (Illinois) Marys River is a tributary of the Mississippi River in Illinois. It drains a small watershed between the Big Muddy River and the Kaskaskia River. It joins the Mississippi just southeast of Chester, near Kaskaskia. Because of its proximity to Kaskaskia — the capital of Illinois Territory and the first capital of the State of Illinois — Marys River was the site of early settlements leading into the interior of Illinois. Marys River is approximately in length. The following cities and towns are in the Marys River basin: Parts of the following counties are in the Mary's
Big Annemessex River Big Annemessex River The Big Annemessex River is a tributary of the Chesapeake Bay on the Delmarva Peninsula. It rises in Kingston, Somerset County, Maryland, and flows roughly southwest about in a meandering pattern, then widens into an estuary and continues about to the bay, near Janes Island State Park. Tributaries include Annemessex Creek, Holland Creek, Hall Creek, Muddy Creek, Colbourn Creek, Jones Creek and Daugherty Creek. The river is spanned once by River Road, a residential county road far from any population center. The Annemessex Creek upstream, however, is spanned by Maryland Route 413. There is also a Little