Cover Image

Radiometric ages of basement rocks in the northern midcontinent, U.S.A /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Marvin, Richard F.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1988.
Series:Folio of the northern midcontinent area.
Subjects:
Geological time.
Radioactive dating > Maps.
Middle West > Maps.
Datation radioactive > Cartes.
Géochronologie > Cartes.
Géologie > Cartes.
Chronologie > Cartes.
Middle West (États-Unis) > Cartes.
Description
Item Description:Includes index map.
Pamphlet includes bibliography, pages 4-6.
Cartographic material.
Physical Description:2 maps ; sheets 132 x 108 cm., folded in envelope 30 x 24 cm. + text (36 pages : tables ; 28 cm.)