01371cam a22003371 4500 gs 07000163 DLC 20260227111305.0 cr_||||||||||| cr_||||||||||| 790406s1907 dcuaf f000 0 eng gs 07000163 (OCoLC)4828995 DLC ICharE DLC F127.N8 G46 GB1427.N5 G5 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 Subject series: B, Descriptive geology, 109; F, Geography, 54. Issued also as House doc. no. 59, 59th Cong., 2d sess. Also available in digital form on the Internet Archive Web site. Also available in digital form on the Internet Archive Web site. Niagara Falls (N.Y. and Ont.) Hall, W. Carvel (William Carvel), 1869-1908. Geological Survey (U.S.). Bulletin ; no. 306. http://hdl.loc.gov/loc.gdc/scd0001.00142227939 http://hdl.loc.gov/loc.gdc/scd0001.00142227939 24560 24560