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  1. First report of a geological reconnoissance of the northern counties of Arkansas, made during the years 1857 and 1858 /
    By: Arkansas Geological Survey. - Cox, E. T. - Elderhorst, William. - Owen, David Dale,
    Publication info: Little Rock,Johnson & Yerkes, state printers,1858.
    Contributed by: Cornell University Library
    Subjects: Arkansas  Geology  Geology, Economic  Mineralogical chemistry  
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  2. First report of a geological reconnoissance of the northern counties of Arkansas, made during the years 1857 and 1858, by David Dale Owen, Principal Geologist, assisted by William Elderhorst, chemical assistant; Edward T. Cox, assistant geologist.
    By: Geological Survey of Arkansas.
    Publication info: Little Rock,Johnson & Yerkes, State Printers,1858.
    Contributed by: Williams College Libraries (archive.org)
    Subjects: Arkansas  Geology  Geology, Economic  Mineralogical chemistry  
    View Book