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Map and report feature La Crosse County geology The Wisconsin Geological and Natural History Survey has released a report and accompanying map that describe the geologic history of La Crosse County, which lies in the northwestern part of the Driftless Area.
A full-color map helps the reader visualize the contrasts of the county. The report with map, Geology of La Crosse County, Wisconsin, by Survey geologist Thomas J. Evans is available as Survey Bulletin 101
for $15. A CD-ROM of the digital data used to create the map is available separately for $25; if you prefer, these data may be downloaded. Order from the
Wisconsin Geological and Natural History Survey, 3817 Mineral Point Road, Madison, Wisconsin 53705-5100; telephone 608/263.7389. Shipping and
handling charges are extra; refer to our order form, which is in Adobe® Acrobat® format.
MasterCard and Visa customers may telephone their orders between the hours of 8 am and 4:30 pm, Monday through Friday. |
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Updated April 24, 2009 |
La Crosse County is characterized by contrasts in topography, geology, and land use. Broad, flat river terraces along the western margin of
the county are strikingly different from the steep, hilly landscape of the county to the east. Areas of sediment deposited within the past
25,000 years, during and after the most recent glacial period, are alongside near-vertical bluffs of sandstone and dolomite rock that is
hundreds of million years old. Dramatic differences are also evident between the county's rapidly urbanizing corridor along the Mississippi
River and the sparsely populated agricultural uplands that are characterized by farms and small communities.