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Creator:: Zernel, John Joseph, 1945-
Abstract:: John Wesley Powell worked actively for public land system reform while a director of geographical and geological surveys in the West from 1869 to 1894. Although this has won him acclaim as a conservationist, the basis of Powell's linkage of reform with scientific work is poorly understood. A study of...
Resource Type:: Dissertation
Full Text:: John Wesley Powell : science and reform in a positive

Creator:: Alexander, J. Andrew
Abstract:: North America, with over 400 species of Astragalus (Fabaceae), is one of three major centers of diversity, all of which comprise the majority of the nearly 1750 species of Astragalus worldwide. One of the most diverse species, Astragalus lentiginosus of Section Diphysi, is a polymorphic complex of over 40 varieties,...
Resource Type:: Dissertation
Full Text:: . ____________________________________________________________ J. Andrew Alexander, Author ACKNOWLEDGMENTS I would like to thank Dr. Wesley E. Niles

Creator:: Ellis, Erik
Abstract:: This dissertation focuses on the life of Dixy Lee Ray as it examines important developments in marine biology and biological oceanography during the mid twentieth century. In addition, Ray's key involvement in the public understanding of science movement of the 1950s and 1960s provides a larger social and cultural context...
Resource Type:: Dissertation
Full Text:: (Reading, MA: Addison-Wesley, 1994). Some other recent biographies that similarly exemplify a sophisticated

Creator:: Jolly, J. Christopher
Abstract:: From 1925 to 1930, Ernest H. Wiegand, a professor of Horticultural Products at Oregon State Agricultural College, developed an improved brining process for cherries. Brined cherries are used in the production of maraschino and glacé cherries, which already had a sizable market in the United States by the 1920s. This...
Resource Type:: Masters Thesis
Full Text:: Arthur Young (1741-1820), John Mills, and Philip Miller. Throughout his life, he performed experiments

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