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High-alumina kaolinitic clay in the United States, exclusive of Alaska and Hawaii High-alumina kaolinitic clay in the United States, exclusive of Alaska and Hawaii
The general distribution of high-alumina kaolinitic clay deposits in the United States (exclusive of Alaska and Hawaii) is shown on the accompanying map. The locations of mines, pits, and prospects are shown by appropriate symbols. Certain clay-bearing areas are shown by patterns that designate the geologic age of the deposits. The locations are numbered consecutively by states and are...