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http://www.kgs.ku.edu/PRS/AAPG2005/forestcity/p2-03.html
Last Modified August 2005
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Stratigraphic Architecture of Lower to Middle Pennsylvanian Coal-beds in the Forest City Basin of Northeastern Kansas |
Kansas Geological Survey |
Net coal Isopach of all coals from the basal Pennsylvanian coal (pre-Riverton) to the Lexington Coal
Below the Anna Shale within the Marmaton Group. The thickness of coals increases to the north
And west, especially along the Nemaha Anticline, where localities of 35-40’ of coal are common.