The Cache Valley of southern Illinois
The Cache Valley in extreme southern Illinois is amajor physiographic feature that extends across all or parts of Pope, Massac, Johnson, Union, Pulaski, and Alexander counties, from the Ohio River on the east to the Mississippi River on the west, and cuts across all or parts of the following Third Principal Meridan townships (Fig. 1): T.13S., R.3, 5, and 63; T.14S., R.1, 2, 3, 4, 5, and 6E, R.1 and 2W; T.15S., R.1, 2, 3, and 4E., R.1, 2, and 3W;T.16S., R.1, 2, 3, and 4W; and T.17S., R.1 and 2W.
Figures & Tables
One hundred field guides, with area maps, to locations in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, Ohio, and Wisconsin.