Biodiversity Heritage Library
By "Geological Survey of Arkansas. "
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.
Holding Institution: Williams College Libraries (archive.org)