Geology of the Duck Creek Pass Quadrangle Montana (open access)

Geology of the Duck Creek Pass Quadrangle Montana

A report about the Duck Creek Pass quadrangle which forms a large part of the bedrock of western Montana and adjoins other areas in which geologic studies are already completed or in progress.
Date: 1963
Creator: Nelson, Willis H.
Object Type: Report
System: The UNT Digital Library
Geology of the Clark Fork Quadrangle Idaho-Montana (open access)

Geology of the Clark Fork Quadrangle Idaho-Montana

A report about the Clark Fork quadrangle which is underlain by more than 38,000 feet of low-grade metasedimentary rocks of the Precambrian Belt series. The quadrangle has both metallic and nonmetallic mineral deposits of considerable value.
Date: 1963
Creator: Harrison, J. E. & Jobin, D. A.
Object Type: Report
System: The UNT Digital Library
Geology of the Duck Creek Pass Quadrangle, Montana (open access)

Geology of the Duck Creek Pass Quadrangle, Montana

This report follows geological studies of the Duck Creek Pass quadrangle, Montana during the summers of 1956 and 1957.
Date: 1963
Creator: Nelson, Willis H.
Object Type: Report
System: The UNT Digital Library
Geology of the Clark Fork Quadrangle Idaho-Montana (open access)

Geology of the Clark Fork Quadrangle Idaho-Montana

This report gives a brief geological description of the Clark Fork quadrangle on the Idaho-Montana border.
Date: 1963
Creator: Harrison, Jack Edward & Jobin, Daniel A.
Object Type: Report
System: The UNT Digital Library

Plate 1. Natural Gamma Aeroradioactivity of the National Reactor Testing Station Area, Idaho

Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the Idaho National Reactor Texting Station Area. Details about the survey and map creation are printed at right. Scale 1:250,000.
Date: March 1963
Creator: Geological Survey (U.S.)
Object Type: Map
System: The UNT Digital Library