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The history of Columbia County, Wisconsin, containing an account of its settlement, growth, development and resources; an extensive and minute sketch of its cities, towns and villages--their improvements, industries, manufactories, churches, schools and societies; its war record, biographical sketches, portraits of prominent men and early settlers; the whole preceded by a history of Wisconsin, statistics of the state, and an abstract of its laws and constitution and of the constitution of the United States

History of Columbia County: Chapter I,   pp. [309]-[325] ff. PDF (9.3 MB)

Page 313

     Leeds and Arlington (Township 10, Range 10 east, and Township 10, Range
9 east).--
 In these towns, the Potsdam   sandstone comes to the surface in the lower
ground in northern
 Arlington and northwestern Leeds. Large ledges of it rise on the south side
of a small creek
 in the northeast quarter of the northeast quarter of Section 3, Arlington,
a short distance south
 of the village of Poynette. Here are exposed fifteen feet of white, heavily
bedded, friable, non-
 calcareous sandstone, with some thin green-sand layers, the base of the
ledge being fifty to
 sixty feet below the base of the Mendota horizon. Similar but higher ledges
occur along the
 creek in Pine Hollow, in-the adjoining parts of Sections 3 and 4.  At this
place are exposed
 thirty feet of very friable, white-and-yellow-banded sandstone, heavily
bedded below, thinner
 above, the base of the exposures being almost eighty feet below the Mendota
base. Along the
 silopes up to the high ground, the Madison and Mendota beds are at the surface.
The former
 rock is quarried near the southeast corner of Section 2, yielding a coarse-grained,
 regularly bedded sandstone.   The Lower Magnesian is the surface rock of
nearly the whole of
 the two townships, and must reach a thickness in the higher parts of at
least 120 feet.
 Rose's well, southeast corner of Section 20, Arlington, is ninety-eight
feet in limestone. In
 Arlington, the Lower Magnesian is exposed above the sandstone quarry on
Section 2; on the
 east line of Section 10; at a high point on the south line of the southwest
quarter of Section
 14; at a similar point on the south line of the southeast quarter of Section
21, where it holds
 an unusual amount of cherty material; in several small outcrops on Section
29; in a small
 quarry on. the south line of Section 31, and in the south part of Section
6. In Leeds, the
 exposures are not frequent.  The St. Peters sandstone remains on top of
the Arlington prairie,
 in five isolated knobs, the highest seventy-five to one hundred feet in
height. Three of these
 are close together, on each side of the line between Sections 28 and 29.
The bluffs on
 Spoonam's land, northeast quarter of the southeast quarter of Section 29,
shows large outcrops,
 in a disturbed condition, of fine-grained, friable, white and brown mottled
sandstone, composed
 of glassy quartz grains, the larger ones of which are rolled, the smaller
ones angular. Most of
 the rock has a very hard vitrified crust, one-fourth to one-half inch in
thickness, in which
 the quartz grains appear to possess distinct crystalline surfaces. No trace
of calcareous matter
 is present. Fine lamination and cross-lamination are plainly perceptible.
The smaller knob
 on Mrs. A. D. Forbes' land has, on the south side, a vertical cliff, eighty
feet in height, of sim-
 ilar but of distinctly horizontal and undisturbed sandstone. In the southwest
quarter of the
 southwest quarter of Section 27, and extending into Section 28, and again
in the north half of
 Section 34, are other similar bluffs. At the west end of the first named,
the ledges are large,
 rising abruptly from the prairie level, the rock being much disturbed, and
in all other respects
 like that on Spoonam's land, on Section 29. Near the southwest corner of
Section 27, the
 sandstone is thin-bedded, incoherent and disturbed. At the east end of the
bluff, which is about
 half a mile in length, there is a vertical cliff of entirely horizontal
rock. On the prairie around
 these sandstone mounds, exposures of the Lower Magnesian limestone are seen
at several points
 whose elevation is greater than that of the sandstone ledges; whilst at
two points on the south
 line of Section 21, and in the north part of Section 29, the limestone rises
as high as the tops
 of the St. Peters. The irregular nature of the upper surface of the Lower
Magnesian is thus
 distinctly proven.
     -Dekorra (including Township 11, Range 9 east, and the triangular half
of Township 11,
Range 8 east, which borders the Wisconsin River), lies almost wholly within
the area of the
Potsdam sandstone, whose proximity to, the surface is evinced by the prevalent
sandy soil. The
surface is generally wooded with the ordinary small oaks, showing only one
small patch of
prairie in the southeast corner of Township 11, Range 8 east. Along Okee
Creek, in the
southern part, and along Rocky Run, in the northern part, are marsh belts
about a mile in
width.   Near the Wisconsin River, the altitude is generally 190 to 200 feet;
away from it,
250 to 300 feet. The higher limestone country skirts Dekorra along its southern
and western
sides, sending into it a few projecting points. A number of isolated bluffs
also dot the surface
of Dekorra, rising 100 to 200 feet above the general level, the higher ones
reaching the horizon

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