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This bibliography contains more than 400 annotated references that are concerned with the geologic occurrence of gypsum and anhydrite in the United States ; the description of specific deposits; the mining, processing, and uses of gypsum and anhydrite; and the origin and properties of the calcium sulfate minerals. The annotations are arranged alphabetically by author. The data in the annotations are indexed according to geographic area and subject.

Selected annotated bibliography of gypsum and anhydrite in the United States and Puerto Rico