05(U.S.Geol.)
Geol	U.S.Geological Survey     U.S.Geological Survey Bulletin [Текст]. — Washington : United States Government Printing Office, 1997. — № 1140 : The Conterminous United States Mineral-Resource Assessment Program-Background Information to Accompany Folios of Geologic and Mineral-Resource Maps of the Harrison 1x2 Quadrangle, Missouri and Arkansas, and the Joplin 1x2 Quadrangle, Kansas .... — fig.