Maps showing areal extent of selected Paleozoic shales in the northern midcontinent, U.S.A /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Arkansas Geological Survey
Other Authors:	Pratt, Walden P.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1992.
Series:	Folio of the northern midcontinent area. Miscellaneous field studies ; map MF-1385-H.
Subjects:	Shale > Middle West > Maps. Geology, Stratigraphic > Paleozoic > Maps.

Description
Item Description:	Includes inset of text and stratigraphic chart on sheet 1. Map A=Sheet 1; Map B=Sheet 2 ... etc. Cartographic material.
Physical Description:	7 maps ; on sheets 132 x 108 cm., folded in envelope 30 x 24 cm.
Bibliography:	Includes bibliographical references (sheet 1 insert).