Cover Image

Map showing potassium-argon ages from the Mount Katmai and adjacent parts of the Naknek and Afognak quadrangles, Alaska Peninsula, Alaska /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Shew, Nora, Lanphere, Marvin A., 1933-
Format: Government Document Map
Language:English
Published: Reston, VA : The Survey ; 1992.
Series:Miscellaneous field studies ; map MF-2021-E.
Subjects:
Igneous rocks > Alaska > Alaska Peninsula Region > Maps.
Geological time > Maps.
Description
Item Description:Relief shown by contours and spot heights.
Depths shown by isolines.
Blackline print.
Title on envelope margin: Potassium-Argon ages from the Mount Katmai area, Alaska Peninsula, Alaska.
Includes text, bibliography, table, and location map.
Cartographic material.
Physical Description:1 map ; 45 x 93 cm., on sheet 104 x 117 cm., folded in envelope 30 x 24 cm.