The Midway group in Texas has recently been extensively subdivided. Julia Gardner has proposed the name Kincaid2 for the “lower Midway” of earlier writers, and the name Wills Point, applied by Penrose3 to the Midway of Texas, and later rejected as a synonym for the earlier name, has been restricted and applied as a formation name to the upper Midway clays4 which crop out in the vicinity of Wills Point, Van Zandt County, Texas. F. B. Plummer5 has further divided the Kincaid formation into (1) the Littig glauconite member, a bed of glauconite and sand ranging...

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