Carboniferous Formations of the Ozark Region

The term Ozark, as now generally understood, applies to all the broad dome-shaped and mountaineous area, lying in southern Missouri and northern Arkansas chiefly, and extending from the Red to the Missouri River, and from the Mississippi to the Neosho. In this sense the name is used in the present connection. For a long time the Ozark uplift remained a region about which less was known geologically, than perhaps any other part of the North American continent. Of recent years, however, so many new facts have been obtained concerning the formations of the northern part of the area that a very complete and satisfactory classification of the deposits for the whole of that region is now capable of being made out. This is particularly the case with those strata known to be of Carboniferous age