Map showing distribution of alkaline igneous rocks and associated carbonatites and peridotites in the northern midcontinent, U.S.A /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Arkansas Geological Survey
Other Authors:	Hills, Francis Allan
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Geological Survey ; 1991.
Series:	Folio of the northern midcontinent area.
Subjects:	Alkalic igneous rocks > Middle West > Maps. Carbonatites > Middle West > Maps. Peridotite > Middle West > Maps.

Evans: Maps File (2nd floor)