Gilbert, Grove Karl,  1843-1918 <br/><br/>
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. .
<br/><br/> Subject series: B, Descriptive geology, 109; F, Geography, 54.  Issued also as House doc. no. 59, 59th Cong., 2d sess. 
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<br/><br/><label>LCCN: </label>gs 07000163  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Niagara Falls (N.Y. and Ont.)
<br/><br/><label>LC Class. No.: </label>F127.N8  / G46