Wheel pits

Chicago citation style
Proprietors of the Locks and Canals on Merrimack River. Wheel pits. 1822-1952. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/w6634c39h. (Accessed July 15, 2018.)
APA citation style
Proprietors of the Locks and Canals on Merrimack River, (1822-1952) Wheel pits. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/w6634c39h
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/w6634c39h>.
Note: These citations are programmatically generated and may be incomplete.