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There is a wide difference in the timber growth found in the
different parts of the State. No coniferous tree or bush, with the
exception of the swamp cypress and a few small cedars, are to be
found in western Kentucky, and in this section the hemlock seems to
be generally confined to the coal measures. Magnolias are found in
the precincts of the lawn, but they are exotics. Originally,
southern Todd was known as a " barren," where the timber was kept
down by frequent burnings, and in this connection it may be observed
this county was thus deprived of much valuable timber that otherwise
would be found in great abundance in the forests that have grown
since the settlement of the whites. It seems to be undisputed, that
certain timbers, especially white oaks, do not return again to
forests from which they have once been driven by such an agency as
fire. In the State report upon this subject Prof. Shaler re-marks: "
The formations best adapted to the growth of the chestnut are the
conglomerate and Chester sandstones (mill grit). On soils from these
formations chestnut is normally found in the greatest abundance, and
growing to the greatest perfection. In passing from western to
eastern Kentucky my attention was therefore attracted to the fact
that when the Big Clifty (Chester) sandstone first appeared, which
was in the neighbor-hood of Hopkinsville and on Pilot Knob, no
chestnut appeared with it. Moreover, the white oak and liriodendron,
away from the streams, seemed scrubby and scarce. Otherwise the
forest was normal, and I searched in vain for any clue to the
absence of these timbers. Mr. Irvine Kennedy, who has lived in this
part of Kentucky for sixty-eight years, and who now (1879) resides
near Elkton, informed me that my conjecture (Become extinct through
agency of fires) was correct, and that he could remember when all
these heavy forests were a uniform growth of young trees, with not
an old tree standing, except on streams too large for fires to sweep
through their swamps. I was after-ward informed that some chestnut
groves exist not far from Elkton, though I did not see a tree. It is
possible that they stand in a piece of woods for some reason
protected from the ravages of fire. After passing Hopkinsville we
begin to leave the St. Louis limestone and approach the Chester
sandstone, which already caps the highest hills. The introduction of
red oak, forming the larger part of the forest growth, is a marked
feature in passing onto the calcareous limestone and lower Chester
from the St. Louis limestone. Scarlet oaks crown the hill-tops, and
post oaks are found in depressions, or largely on the hill-sides
below the Chester. The latter feature is local, however, as on a
high hill about five miles from Hopkinsville post oaks extend up
onto the Chester. The blackjack, how-ever, is clustered around the
hills just at the base of the Chester, and this I noticed to be
generally true. Sugar maple, bartram oak, swamp chest-nut oak, white
elm and black ash are found in considerable quantities along the
streams. For six or eight miles beyond Hopkinsville, toward
Fairview, the timbers change little in kind or quality from those
just noted, except that, some red haw and winged elm are found.
There is no white oak, no sweet gum, no chestnut (that I could find)
and no liriodendron. On Pilot Rock, which is a lofty bluff of Big
Clifty sandstone, cedar and liriodendron are both met with; but this
is very local, and even here no chestnut is to be seen, so far as I
could gather. Between Fair-view and Elkton the timbers, as a whole,
are not valuable; but in places black ash, white elm, pig and shag
hickory, and such timbers, are exceedingly fine. Especially is this
true on West Fork of Red River, about one and one-half miles from
Fairview. On this stream are also found splendid white oak, swamp
chestnut oak, red and pin oak, white and shag hickory, black and
blue ash, sweet gum, liriodendron, white elm, sycamore, box-elder,
sugar maple, white maple and red bud. All of these timbers are very
fine. It is a peculiar, though an easily explained fact that in a
large part of the country through here the timbers are better on the
hill-tops than on the lower grounds. The reason is that the
hill-tops are capped with Chester sandstone, the detritus of which
forms a damp soil, favorable for large trees, while the upper St.
Louis limestone here is not adapted to timber growth." |
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