Coffer dam

Chicago citation style
Proprietors of the Locks and Canals on Merrimack River. Coffer dam. 1867. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/319802492. (Accessed June 24, 2018.)
APA citation style
Proprietors of the Locks and Canals on Merrimack River, (1867) Coffer dam. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/319802492
MLA citation style
Proprietors of the Locks and Canals on Merrimack River. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/319802492>.
Note: These citations are programmatically generated and may be incomplete.