Letter from Increase Allen Lapham to General A. J. Meyer, November 29th

Milwaukee Nov 29, 1871

Dr Sir

In accordance with the request in
your letter of the 4th inst I have
given further attention to the phenomena
of the Great Fires of the North West with
reference to theory of the late Prof.
Espy, and now send you what
may be deemed a continuation of the
report heretofore sent.

Very respectfully
Yours

I. A. Lapham

To Gen. A. J. Myer [Albert J. Myer]
Ch. Sig. Officer. [Chief Signal Officer]