On the geology of lower Louisiana and the salt deposit on Petite Anse island Hilgard, Eugene W. (Eugene Woldemar) 1833-1916 creator YA Pamphlet Collection (Library of Congress) text dcu Washington Smithsonian Institution 1872] 1872 monographic eng
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iii, 34 p. : illus., maps, diagr.; 33 cm. By Eugene W. Hilgard. <Accepted for publication, October, 1871> Geology Louisiana Salt industry and trade Louisiana Q11 .S68 vol.23 Smithsonian contributions to knowledge. [vol. XXIII, art. 3] Smithsonian Institution publication 248 gs 07000630 U.S. Geol. Survey. Library 771212 20260227111306.0 gs 07000630