D.

Day, Sherman, quoted, 140.

Deane, Silas, plan for payment of Revolutionary War debt, 2-3.

Delaware Water Gap, 17.

Delta (La.), changed by Mississippi River, 177.

Detroit, Washington marks out commercial lines to, 9; port of entry, 74; demand for transportation facilities, 164; harbor, 169; growth, 172.

Detroit (lake steamer), 169.

Dickens, Charles, cited, 100; describes canal boat journey, 140-141; describes aerial railway, 141-142.

Doddridge, Notes, quoted, 27-28.

Doolittle, Sylvester, builds Vandalia, 168.

Duane (ship), 76-77.

Duquesne, Fort, 26, 28, 50.