L.H. Hamel Leather Company Historic District
 The L.H. Hamel Leather Company Historic District encompasses the largest tract of intact historical industrial buildings in downtown Haverhill Massachusetts. The monumental factory complex of the L.H. Hamel Leather Company is located just west of Haverhill's central business district and is roughly bordered on the west by the right-of-way for the former Boston & Maine Railroad Essex Street on the south Locke Street and Duncan Street on the east and Winter Street on the north.