Agricultural Development and Engineering Services, Inc.
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| creatorOf | Hansen, Vaughn E. Drainage and irrigation system and management practices : for the plantation in the valley of the Bengo River near Luanda, Angola, Portugese West Africa owned by Companhia da Africa Ocidental Portuguesa (CAOP) / written by Vaughn E. Hansen and Orson W. Israelsen, with contributions from James R. Barker ... [et al.]. | Utah State University, Merrill-Cazier Library |
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| associatedWith | Hansen, Vaughn E. | person |
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