Box 17, Folder 4: Lake Michigan, 1859-1872

[Data Table].

[Tables and notes].

The numerous storms during the last six weeks may have affected these results. The excessive rain for the last 10 days has affected the absolute altitude of the water.

[Effect of Easterly & Westerly Winds; Atmospheric Pressure].

[Table] Lake Level January 1861 Milwaukee.

[Table=December 18th 1860].

[Miss Laphams Notes] [Meteorology + letters-[reworded?]]

Lake Michigan

J.D. Graham's Rep—1859—claimed discovery of lunar [circle?] on Lake Mich—which Dr. Lapham had discovered—[published] in Smithsonian publications and the daily papers ten years earlier—see page 11

Temperature Mil. tables L.A.L. 1837 to 1861 and maps showing the effect of Lake Mich—on the climate of Wis. Monthly mean temperature in Milwaukee 1837-1864

Early weather Bureau maps

Report of John B. Floyed secy. of War 1858

mp. I.A.L. Lake Michigan 1844

(Mil. climate of the country bordering N. Am. Lakes I.A.L. 1867 for Chicago Acad. of Sciences)—

Lake Mich 1859-I.A.L.

Changes of level in Lake Mich—and currents observable near mouths of rivers and in narrow channels—drawings showing present and ancient levels—I.A.L. 1859

Profiles showing level of Lake and discovery of tide by I.A.L.

Observations on level of river and Lake from U.S. Lake Survey by Henry + [Sueca?] [G?]. Lapham under direction of I.A.L—

[Mil?] Facts respecting Great-Lakes of N.A.—by I.A.L for the British Association for the advancement of science

(see correspondence)

1863