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Report of historical and technical information relating to the problem of interoceanic communication by way of the American isthmus / by John T. Sullivan, Lieutenant, U.S. Navy.

John T Sullivan (Writer on interoceanic canals) [author] United States. Navy Department. Bureau of Navigation, issuing body.

Washington : Government Printing Office 1883

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Nearctic Walshiidae notes and new taxa (Lepidoptera: Gelechioidea) / Ronald W. Hodges.

Ronald W. Hodges 1934- Smithsonian Institution.

Washington, D.C. : Smithsonian Institution Press 1969

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Studies of neotropical caddisflies, X : Leucotrichia and related genera from North and Central America (Trichoptera: Hydroptilidae) / Oliver S. Flint, Jr.

Oliver S Flint Smithsonian Institution.

Washington D.C : Smithsonian Institution Press 1970

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Mineral deposits of Central America / by Ralph J. Roberts and Earl M. Irving ; With a section on manganese deposits of Panama, by Frank S. Simons.

Ralph Jackson Roberts 1911-2007 [author] Frank S Simons (Frank Stanton), 1917- [author]

Washington, D.C. : United States Department of the Interior, Geological Survey 1957

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