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There and where again : a watershed's tale : use of macroinvertebrate indicators in the Río Guacimal Watershed to indicate changes in water conditions over time and present anthropogenic impact




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Introducing the key issues : an exploratory paper looking at the socio-economic impacts of biophysical changes in land use in Monteverde, Costa Rica




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Diversity, abundance, biomass, and the presence of certain families of aquatic insects as bioindicators of stream recovery from a pollution source




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Del Lic. Juan Manuel Cordero, Director Dirección Calidad de Vida, para Patricia Campos Mesen, Directora de la Secretaría Técnica Nacional Ambiental, Ministerio de Ambiente y Energia




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Del Ing. Randall Castillo B., Conservación Vial Cañas, y el Ing. Marvin Moya Arguedas, Director de Conservación Vial, CONAVI, para Randall Quirós Bustamante, Ministro de Obras Públicas y Transportes




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Using aquatic invertebrates as bioindicators to analyze the effects of two coffee beneficios on river water quality




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The marriage record of Vickers, Willoughby A. and Platt, Victoria




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The marriage record of Smith, Persifer F. and Wecktor, Annie E




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The marriage record of Bledsoe, John B. and Evers, Victoria M




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The marriage record of Hutchinson, William C. and Tippens, Victoria




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The marriage record of Bradley, David and Proctor, Caroline




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The marriage record of Torres, Joseph R. and Nash, Georgia




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The marriage record of Wilson, Jefferson and Proctor, Victoria




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The marriage record of Cole, John C. and Kinsman, Victoria A




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The marriage record of McHraine, Victor B. and Taylor, Caralyne M




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The marriage record of Alvarez, Victoriano, Garcia and Marina, Perfecta Miguel




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The marriage record of del Toro, Joaquine and Castillo, Marcia




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The marriage record of Holmes, Harry and Jones, Victoria




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The marriage record of Curbelo, Antonio and Torre, Francisca




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The marriage record of Lewis, Fernando and Gerara, Antoria




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The marriage record of Colding, Thomas and Proctor, Vickie




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The marriage record of Rivero, Pablo and Pindez, Victoria




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The marriage record of Howard, Isaac, Jr. and Anderson, Victoria




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The marriage record of Cole, William Victor and Piwbley, Ellinor




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The marriage record of Torres, Pablo Valencia and Gonzalez, Rorurio




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The marriage record of Cusiatore, Angelo and Pizza, Maraguiseppe




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The marriage record of Ferlita, Salvatore and Grizzaffi, Francesca




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The marriage record of Torres, Edward R. and Leonardi, Vineta A




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The marriage record of Figarotte, Dominic and Caciatore, Carolina




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The marriage record of Toral, Manuel and Martinez, Eloisa




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The marriage record of Bastia, Alfred and Sanders, Victoria F




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The marriage record of Gator, Williams and Liggett, Rebecca




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The marriage record of Proctor, Robert W. and Blue, Bessie




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The marriage record of Torres, Alfredo and Dickie, Carrie M




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The marriage record of Burnego, Victor and Burrows, Francisca




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The marriage record of McConnell, William S. and Torrez, Elizabeth B




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The marriage record of Cain, Isaiah and Durant, Victoria




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The marriage record of Hubert, Victor and Moore, Lizzie




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The marriage record of Cacciatore, Cajetano and Spotta, Maria




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Chart of the world on Mercators projection




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All Saints Episcopal Church and its rectory along a dirt road




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Alligator shot by the captain of 4th Illinois Volunteers in Jacksonville, Florida




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An alligator sits in an wooden cage




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Conductor and workers stand beside a steam locomotive pulling freight cars




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Alligator in Anclote River




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Schuch, Ernst Elder von, 1846-1914, Austrian conductor in fur coast. For a quarter century from 1872 on he brilliantly conducted the Hofoper one of the world's greatest opera orchestra's. Inscribed: on back, "Schuch Teich Hanfstaengl Hof"




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Artur Rodzinski 1894-1958, American conductor of Polish descent raised standards through his concert performances of operas. Inscribed: To Hans W. Astheimer with most cordial wishes sincerely Artur R. 1934. photo by Geoffrey Landesman




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Elsa Respighi d. 1996 composer, classical works, wife of Ottorino Respighi. Inscribed: A Mme Lota Mundy con molta simpatia. Photo Grand Uff. V. Laviosa, New York




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Arthur Nikisch 1855-1922 Hungarian composer, conductor, pianist, and violinist, To: Frau W. Astheimer marfichtiger herr licher verebrutur Arthur Nikisch 3 IV 1903 Photo: Erieber Berlin Platten no. 92792




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Gounod, Charles Francois (1818-1893) French composer, conductor, organist