This is a collection contains minutes of the commission and pamphlets, clippings, maps, other papers relating to tax collection, leasing, and harvesting of oyster grounds. It also includes information regarding shellfish in the Mystic River.

Logbooks, kept at the railroad drawbridge over the Mystic River in Connecticut which was owned and operated by the railroad company. Logs record the names of vessels passing through the bridge on their way in and out of the river.