<div class="description">
Lawrence Manufacturing Company; Boyden, Uriah; Lawrence, Samuel; Proprietors of the Locks and Canals on the Merrimack River; Hawley, Monica E, transmitter; Malone, Patrick M, historian; Boucher, Jack, photographer</div>
Documentation compiled after 1968
<a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/ma1038.photos.080528p">https://www.loc.gov/pictures/item/ma1038.photos.080528p</a>