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  1. 1
    Agricultural enquiries on plaister of Paris. : Also facts, observations and conjectures on that subtance, when applied as manure. Collected, chiefly from the practice of farmers in Pennsylvania, and published as much with a view to invite, as to give information.

    Agricultural enquiries on plaister of Paris. : Also facts, observations and conjectures on that subtance, when applied as manure. Collected, chiefly from the practice of farmers in... by Peters, Richard, 1743-1828

    NCR Microcard Editions, 1970
    Format: Book


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  2. 2
    Gypsum in the southern part of the Bighorn Mountains, Wyoming

    Gypsum in the southern part of the Bighorn Mountains, Wyoming by Lupton, Charles T.

    Washington : U.S. G.P.O., 1916
    Format: Government Document Book


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