Gilbert, Grove Karl, 1843-1918

Rate of recession of Niagara falls / by G. K. Gilbert, accompanied by a report on the survey of the crest, by W. Carvel Hall. - Washington, Govt. Print. Off., 1907. - 31, v p. : ill., xi pl. (part fold.) diagrs. ; 24 cm. - U.S. Geological survey. Bulletin no. 306 . - Geological Survey (U.S.). Bulletin ; no. 306. .

Subject series: B, Descriptive geology, 109; F, Geography, 54. Issued also as House doc. no. 59, 59th Cong., 2d sess.



gs 07000163


Niagara Falls (N.Y. and Ont.)

F127.N8 / G46