Geologic Setting of the Glacier Peak and Mazama Ash-bed Markers in West-central MontanaBook - 1975
Describes how ash beds can be used as stratigraphic markers in correlating deposits of late Pleistocene and Holocene age in west-central Montana.
Publisher: Washington : U.S. Govt. Print. Off, 1975
Call Number: 557 Un3 :1 no.1395-H
Characteristics: iv, 31 p. : ill., maps, chart ; 24 cm