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![Bulletin. Volume c.1 no.3A 1976 [Leather Bound]](https://m.media-amazon.com/images/I/41+PCfcCX+L._SL500_.jpg)
![Economic geology of the aluminum phosphate zone on property owned by the Royster Guano Company, land-pebble phosphate district, Florida / by J.B. Cathcart, L.J. McGreevy, and A.M. Cole [Leather Bound]](https://m.media-amazon.com/images/I/31gqE8kgIYL._SL500_.jpg)
