| Unidentified photographer Gilman, Eugene E., second hand, Lower Pacific Mills [Lower Pacific Mills, Lawrence, Massachusetts] 1910 (ca) Cyanotype 10 x 10 cm Lawrence History Center Lawrence History Center Photograph Collection, LM1 - Swartz collection box 2 outgoing (shelf locator), Accession #: 1996_124_203, Identifier: NG 341/1A LL/93878
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