Great North American Lakes. 91 
1819. June 5. 20’clock P. M. High tide; wind strong, 
south west. 
4 “« « 6, “* P.M. . Low tide. 
« «« 10, “ P.M. High tide; calm. 
4 « 6, 9, % A.M. High tide; wind north, 
P Low tide. 
— 
. 
Pe pee 2S. See” P.M. High tide. 
The course of Green Bay is about S. S. W. 
The above observations were made by means of a stick, 
graduated with inches, placed, perpendicularly below low wa- 
ter mark. 
Letter from Capt. Henry Whiting of the U. S, Army. 
Detroit, Sept. 11th, 1827. 
Dear Sir—I returned a short time since from Green Bay, 
but my stay there was too brief for any observations upon 
the waters, even if I had leisure to have made them. 
Gov. Cass, as you have probably seen by the newspapers, 
was too busily.engaged while in that country, for other than 
Indian affairs. J regret you cannot have the benefit of his 
* 
marks. 
I got back the papers, to which I have before alluded, and 
as I promised, I send you the observations I made in 1819.1 
I did not recollect, that they were so meagre, and unsatisfac- 
ten miles up Devil river, a tributary of the Fox river, near 
its mouth, is daily stopped by refluent water. Another gen- 
tleman remarked, that he had frequently noticed im the win- 
ter, when crossing the river, that the ice was often lifted 
slightly, in the centre, while the two sides were partially cov- 
eee 
* See note, at the close of the letter, 
+ The same as those appended to Doct. Lovell’s letter. 
