Author: Harrington, H.J., 1950.:
Title: Geología del Paraguay Oriental. [Contr. Cient. Fac. Cienc. Ex. Fis. Nat., Ser. E, Geol., 1.]
Description: Buenos Aires. 4to, 26cm. Pp. 82, 1 fold. col. geol. map, 1 fold. sketch map, 35 photos of fossils on 3 pls., 1 fold. section, notes & refs., bibl. Orig. printed wrappers, uncut. Two small stamps, very good otherweise.

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