Biodiversity Heritage Library
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By "Hall, Jack Clayton. "
Review of literature and museums for groups of the bombyliidae, bee flies, and outline of the distributions of rare and potentially endangered species in the California Desert Conservation Area /
By: Hall, Jack Clayton. - California Desert Planning Program (U.S.) - University of California, Riverside.
Publication info: S.l. :s.n., 1979
Contributed by: Bureau of Land Management (archive.org)