TY  - BOOK
AU  - Gilbert,Grove Karl
AU  - Hall,W.Carvel
TI  - Rate of recession of Niagara falls
T2  - U.S. Geological survey. Bulletin
AV  - F127.N8 G46
PY  - 1907///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Niagara Falls (N.Y. and Ont.)
N1  - 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
UR  - http://hdl.loc.gov/loc.gdc/scd0001.00142227939
UR  - http://hdl.loc.gov/loc.gdc/scd0001.00142227939
ER  -