CHAPTER IV.
Sit down to write an account of the mines--Medical properties of the
Mississippi water--Expedition to the Yellow Stone--Resolve to visit
Washington with a plan of managing the mines--Descend the river from St.
Genevieve to New Orleans--Incidents of the trip--Take passage in a ship
for New York--Reception with my collection there--Publish my memoir on
the mines, and proceed with it to Washington--Result of my plan--
Appointed geologist and mineralogist on an expedition to the sources of
the Mississippi.
1819. I now sat down to draw up a description of the mine country and
its various mineral resources. Having finished my expedition to the
south, I felt a strong desire to extend my observations up the
Mississippi to St. Anthony's Falls, and into the copper-bearing regions
of that latitude. Immediately I wrote to the Hon. J.B. Thomas, of
Illinois, the only gentleman I knew at Washington, on the subject,
giving him a brief description of my expedition into the Ozarks. I did
not know that another movement, in a far distant region, was then on
foot for exploring the same latitudes, with which it was my fortune
eventually to be connected.
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