Correlation chart of lower and upper Cretaceous Blackleaf Formation, Lima Peaks area to eastern Pioneer Mountains, southwestern Montana /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Dyman, T. S., Tysdal, Russell G.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1990.
Series:	Miscellaneous field studies ; map MF-2119.
Subjects:	Geology, Stratigraphic > Cretaceous > Drawings. Stratigraphic correlation > Montana > Pioneer Mountains > Drawings. Blackleaf Formation (Mont.) > Drawings.

Description
Item Description:	Cartographic material.
Physical Description:	5 sections on 2 sheets ; sheets 91 x 112 cm. and 104 x 137 cm., folded in envelope 30 x 24 cm. + 1 pamphlet (13 pages ; 28 cm.)
Bibliography:	Pamphlet includes bibliographical references (pages 8-10).