Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
Gilbert, Grove Karl, and W. Carvel Hall. Rate of recession of Niagara falls. Washington, Govt. Print. Off, 1907. Pdf. https://www.loc.gov/item/gs07000163/.
APA citation style:
Gilbert, G. K. & Hall, W. C. (1907) Rate of recession of Niagara falls. Washington, Govt. Print. Off. [Pdf] Retrieved from the Library of Congress, https://www.loc.gov/item/gs07000163/.
MLA citation style:
Gilbert, Grove Karl, and W. Carvel Hall. Rate of recession of Niagara falls. Washington, Govt. Print. Off, 1907. Pdf. Retrieved from the Library of Congress, <www.loc.gov/item/gs07000163/>.