For many years the Elliston District, of Powell County has been a minor producer of gold, lead, zinc, and silver. Although never among the largest producing districts of the state, it has with the exception of the war years supplied a notable tonnage of ore to the neighboring mills ever since the first placer and lode claims were located there during the late eighteen hundreds
The age of rocks found in drill cores, and consequently the depths to possible oil-bearing formation...
Preface: The field work involved in the preparation of this thesis was begun in the fall of 1949 and...
Introduction: In the past some reptiles and amphibians have been reported from the general area of C...
Between the villages of Rocker and Silver Bow, in southwestern Montana, are found an interesting gr...
Bound typescripts of agents reports, including photographs, charts, clippings, and examples of publi...
A total of 179 chemical analyses of igneous rocks are available for the state of Montana, but these...
This report includes the results of geological investigation of a small area in the northern part of...
The Salt Chuck, Rush and Brown, and adjacent mines and claims form an area of approximately 15 squar...
In mid-April, 1983, an old landslide near Thistle, Utah, began to move, and within days had blocked ...
The term, insoluble residue, as used in this report is that portion of the original rock sample re...
Cretaceous sediments in Montana record events during a period of unusual geologic interest. After a ...
Purpose of the Investigation: The geology of the Jefferson Mine was mapped to determine the relation...
Imports of manganese ore probably supply a major proportion of the needs of the United States. Domes...
Elutriation, as a means of sorting mineral particles, has received marked attention during the last ...
The ore investigated in this thesis is a zinc-copper-lead ore. Microscopic analysis of this complex ...
The age of rocks found in drill cores, and consequently the depths to possible oil-bearing formation...
Preface: The field work involved in the preparation of this thesis was begun in the fall of 1949 and...
Introduction: In the past some reptiles and amphibians have been reported from the general area of C...
Between the villages of Rocker and Silver Bow, in southwestern Montana, are found an interesting gr...
Bound typescripts of agents reports, including photographs, charts, clippings, and examples of publi...
A total of 179 chemical analyses of igneous rocks are available for the state of Montana, but these...
This report includes the results of geological investigation of a small area in the northern part of...
The Salt Chuck, Rush and Brown, and adjacent mines and claims form an area of approximately 15 squar...
In mid-April, 1983, an old landslide near Thistle, Utah, began to move, and within days had blocked ...
The term, insoluble residue, as used in this report is that portion of the original rock sample re...
Cretaceous sediments in Montana record events during a period of unusual geologic interest. After a ...
Purpose of the Investigation: The geology of the Jefferson Mine was mapped to determine the relation...
Imports of manganese ore probably supply a major proportion of the needs of the United States. Domes...
Elutriation, as a means of sorting mineral particles, has received marked attention during the last ...
The ore investigated in this thesis is a zinc-copper-lead ore. Microscopic analysis of this complex ...
The age of rocks found in drill cores, and consequently the depths to possible oil-bearing formation...
Preface: The field work involved in the preparation of this thesis was begun in the fall of 1949 and...
Introduction: In the past some reptiles and amphibians have been reported from the general area of C...