Insurance policies, 1823-1849 Invoice book B Memoranda: Portland, Maine purchase A Dutch freighter runs aground on the Cape Cod Canal Memoranda: Campton, New Hampshire Real Estate Memoranda: U.S. Army Contract Memoranda: Amesbury Wool Manufacturing Company Memoranda: Salmon Falls Manufacturing Company The Lockwood dredge The construction of the breakwater Memoranda: Notes and Calculations August Belmont begins the digging for the Cape Cod Canal Personal notes Stock certificates Deeds, Portsmouth, south side of Middle Street The General Mackenzie digs on the Cape Cod Canal Deeds, Portsmouth, north side of Middle Street Deeds, Portsmouth, Market Street Construction of the breakwater Deeds, Portsmouth, Deer Street Deeds, Pews Deeds, Exeter, New Hampshire Deeds, Portland, Maine Deeds, Other Mortgages The Nahant cuts a channel for the Cape Cod Canal The near fully-dug channel on Sandwich Beach The General Mackenzie starts digging on the Cape Cod Canal A land excavator clears the way for the dredging of the Cape Cod Canal A tugboat and a dredger prepare to enter the Cape Cod Canal The early stages of the breakwater The sand hills entrance to the Cape Cod Canal at Cape Cod Bay The outer end of the breakwater A view of the breakwater from the shore Work continues on the breakwater The General Mackenzie digs on the breakwater The railroad bridge near the Buzzards Bay end of the Cape Cod Canal The first cargo arrives at the port of Sandwich Early construction on the Bourne Bridge A view of the Cape Cod Bay entrance to the Cape Cod Canal Correspondence Financial Legal Literary papers Printed material Correspondence Financial Printed Materials Correspondence Account book; includes loose material