Wachusett Dam, northwest corner of excavation pit, showing ledge and boulders, Clinton, Mass., May 24, 1901

Chicago citation style
Massachusetts, Metropolitan Water and Sewerage Board. Wachusett Dam, northwest corner of excavation pit, showing ledge and boulders, Clinton, Mass., May 24, 1901. 1901-05-24. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/ft848w33s. (Accessed July 16, 2018.)
APA citation style
Massachusetts, Metropolitan Water and Sewerage Board, (1901-05-24) Wachusett Dam, northwest corner of excavation pit, showing ledge and boulders, Clinton, Mass., May 24, 1901. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/ft848w33s
MLA citation style
Massachusetts, Metropolitan Water and Sewerage Board. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/ft848w33s>.
Note: These citations are programmatically generated and may be incomplete.