It seems, according to your account, that these mines are
an exhaustless source of wealth to the United States. "I should feel glad
to have them put under your superintendence; and to have you nurture up
a race of expert mineralogists, and become a Werner among them."
Professor Silliman writes (Jan. 25th): "When I wrote you last, I had not
been able to procure your memoir on the fossil tree. I read it, however,
immediately after, and was so much pleased with it, that I extracted the
most important parts in the _American Journal_, giving credit, of
course, to you and to the Geological Society."
_Jan. 29th_. Chester Dewy, Professor, &c., in Williams College, Mass.,
writes a most kind and friendly letter, in which he presents various
subjects, in the great area of the West, visited by me.
_Chalk Formation_.--"Mr. Jessup, of Philadelphia, told me that he
believed you doubted respecting the _chalk_ of Missouri, in which you
found nodules of flints. I wish to ask if this be fact. From the
situation, and characters and uses, you might easily be led into a
mistake, for such a bed of any other earth would be far less to be
expected, and be also a far greater curiosity.
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