For a number of years my attention has been called to the coincidence in location of the principal ore deposits of Missouri, Kansas, and Arkansas with the border areas of the Ozark uplift.
This dome in a general way occupies an elliptical area about twice as long as wide, with a major axis 250 miles in length, extending from a point in the eastern part of Indian Territory north of the Arkansas river northeast to the vicinity of Bismarck, in Saint Francois county, Missouri. The periphery of the elliptical area passes through the extreme northeastern part of Indian Territory, thence northeast into Missouri by way of Jasper, Dade, Hickory, Morgan, Cole, and Franklin counties, and swings around to the east and finally back to the southwest through Washington, Saint Francois, Madison, Reynolds, Shannon, and Howell counties, in Missouri, and crosses the line into . . .