This spring discharges an immense volume of water, which is
divided by a huge mass of Sandstone into two streams, with swift
currents flowing in opposite directions to join the North Fork about one
hundred and fifty yards distant from the spring. I estimated the width
of these streams at not less than fifty yards. They are separated from
the North Fork by a pretty wooded island one hundred yards long. The
upper stream affords a good mill-site. I am informed that the quantity
of water discharged by this magnificent spring is not materially
diminished during the dryest seasons of the year. The temperature of the
water measured at the edge of the spring, was found to be 56 deg.; the
temperature of the air at the same time, 59 deg. Other springs of
considerable magnitude occur in various portions of the county, giving
rise to beautiful and limpid streams."
The descriptions of the Natural Bridge and Friede's cave, near Rolla,
previously referred to as being on page 16 of the same volume, are as
follows:
"On Clifty Creek found the chert bed of Sec. 21-5 occurring about sixty
feet from the top of the Third Magnesian Limestone, with a road passing
over its upper surface, presenting it very favorably for observation. It
seemed here to be broken by vertical cracks into large rhomboidal
blocks.
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