564 Matching Results

Search Results

prev Results: 73 - 96 next
open access

Mineral Resources of the Sleeping Giant Wilderness Study Area, Lewis and Clark County, Montana

Description: From abstract: A mineral resource survey was conducted in 1987 by the U.S. Geological Survey and the U.S. Bureau of Mines to evaluate mineral resources (known) and mineral resource potential (undiscovered) of the Sleeping Giant Wilderness Study Area (MT-075-111) in Lewis and Clark County, Montana. The only economic resource in the study area is an inferred 1.35-million-ton reserve of decorative stone (slate); a small gold placer resource is subeconomic. A high resource potential for decorative … more
Date: 1991
Creator: Tysdal, Russell G.; Reynolds, Mitchell W.; Carlson, Robert R.; Kleinkopf, M. D.; Rowan, L. C. & Peters, Thomas J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Guest Editorial: Thomas Kuhn Revisited: Near Death Studies and Paradigm Shifts

Description: Article purporting that near-death studies can be viewed within a theoretical framework of "paradigms" and "paradigm shifts" as explicated by Thomas Kuhn. Assuming the validity of Kuhn's model, it hypothesizes that the paradigm of today's "normal science" is shifting to a new paradigm to accommodate data from near-death studies.
Date: Autumn 1990
Creator: Serdahely, William J.
Item Type: Refine your search to only Article
Partner: UNT Libraries
open access

Pediatric Near-Death Experiences

Description: Article reviewing one previously reported and three new pediatric near-death experiences (NDEs), in which the experiencers were interviewed as children, and which suggests that the childhood core NDE as described by Melvin Morse and colleagues may be expanded to include feeling pain-free, seeing a light at the tunnel's end, entering the light, and time alteration.
Date: Autumn 1990
Creator: Serdahely, William J.
Item Type: Refine your search to only Article
Partner: UNT Libraries
open access

Mineral Resources of the Blacktail Mountains Wilderness Study Area, Beaverhead County, Montana

Description: From summary:A mineral resource survey of a 10,610-acre part of the Blacktail Mountains Wilderness Study Area (MT-076- 002) was conducted in 1984-85. Identified subeconomic resources of barite exist in the area at the northernmost boundary, and a zone partly within the area along the northeastern boundary has a moderate mineral resource potential for silver and barite, and associated gold, copper, lead, and zinc. No producing mines occur in or adjacent to the area. The area lies within a region… more
Date: 1987
Creator: Tysdal, Russell G.; Lee, Gregory K.; Hassemer, Jerry H.; Hanna, W. F. & Benham, J. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mineral Resources of the Farlin Creek Wilderness Study Area, Beaverhead County, Montana

Description: Abstract: The Farlin Creek Wilderness Study Area (MT-076-034) is in the south-central Pioneer Mountains about 24 miles west-northwest of Dillon, Beaverhead County, southwestern Montana. At the request of the U.S. Bureau of Land Management, an area of 610 acres (less than 1 square mile) was investigated by the U.S. Geological Survey and the U.S. Bureau of Mines in 1984. The area contains no mines or prospects, no visible evidence of mineralization, and no identified mineral resources. Geophysica… more
Date: 1987
Creator: Pearson, Robert Carl; Hassemer, Jerry H.; Hanna, William F.; Hoover, Donald B.; Pierce, Herbert A. & Schmauch, Steven W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mineral Resources of the Ruby Mountains Wilderness Study Area, Madison County, Montana

Description: From abstract: A mineral resource survey of the Ruby Mountains Wilderness Study Area (MT-076-001) was made in 1984- 85. Thirty-two million tons of subeconomic mineral resources that average 21 percent iron occur in the Kelly iron deposit and constitute an identified resource adjacent to the southeasternmost edge of the study area. Moderate and high mineral resource potential for talc deposits occur within a large body of Archean (see geologic time chart in appendix) marble in the central part o… more
Date: 1987
Creator: Tysdal, Russell G.; Lee, G. K.; Hassemer, Jerry H.; Hanna, W. F.; Schmauch, S. W. & Berg, Richard B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Comparative Ecology of Benthic Communities in Natural and Regulated Areas of the Flathead and Kootenai Rivers, Montana

Description: A comparative study was made of environmental variables and the density, biomass, diversity, and species composition of macroinvertebrates in areas downstream from a dam with a hypolimnetic release (Hungry Horse Dam on the Flathead River) and a dam with a selective withdrawal system (Libby Dam on the Kootenai River). A major objective of this study was to examine the response of macroinvertebrate communities to defined environmental gradients in temperature, flow, substrate, and food-related va… more
Date: May 1984
Creator: Perry, Sue A.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Potential Effects of Surface Coal Mining on the Hydrology of the Bloomfield Coal Tract, Dawson County, Eastern Montana

Description: From purpose and scope: The purpose of this study was to describe existing hydrologic systems, to obtain data on the water quality in the area, and to assess potential impacts of surface coal mining on local water resources.
Date: December 1983
Creator: Cannon, M. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Statistical Analysis and Evaluation of Water-Quality Data for Selected Streams in the Coal Area of East-Central Montana

Description: From purpose and scope: The purpose of this report is to summarize and evaluate water-quality data acquired from streams within the study area from October 1975 through September 1981. This report updates data collected at 9 stations during the initial study and provides new data for 14 stations.
Date: December 1983
Creator: Lambing, John H.
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Water Resources of the Fort Union Coal Region, East-Central Montana

Description: From purpose and scope: The purpose of this report is to describe the existing hydrologic and water-quality conditions of the shallow ground-water system above the Bearpaw Shale and to describe the surface-water resources in the Fort Union coal region of east-central Montana. The objective of this study was to provide premining data that would be useful for water-resources planning.
Date: December 1983
Creator: Slagle, Steven E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

[Appendix A. Mineral Occurences]

Description: Tables presenting data related to mineral occurrences in the area of the associated report, Wallace and Choteau NTMS Quadrangles, Montana and Idaho. Listed are the number, location, name, commodities, and associated environment for samples from 24 mineralized localities. Also included is an index to abbreviations used in the tables.
Date: September 1983
Creator: Madson, Michael E. & Burger, John A.
Item Type: Refine your search to only Dataset
Location: None
Partner: UNT Libraries Government Documents Department

Appendix B: Histograms and Probability Graphs

Description: The datasets presented contains histograms and probability graphs of stream sediment data that were studied in its parent document, Use of NURE and Other Data Sets to Characterize Mineralized Environments in the Wallace and Choteau NTMS Quadrangles, Montana and Idaho.
Date: September 1983
Creator: Madson, Michael E. & Burger, John A.
Item Type: Refine your search to only Dataset
Location: None
Partner: UNT Libraries Government Documents Department
open access

[Appendix C. Anomaly Reports]

Description: Reports summarizing the features of the 24 mineralized localities in the project area, the Wallace and Choteau NTMS Quadrangles, Montana and Idaho. Each report includes date, chemical symbols for major/minor metals, location data, geochemical features, radiometric features, geophysical features, structural features, and host rocks.
Date: September 1983
Creator: Madson, Michael E. & Burger, John A.
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Hydrogeology and Simulation of Water Flow in the Kootenai Aquifer of the Judith Basin, Central Montana

Description: From purpose and scope: The purpose of this report is (1) to describe the flow system within the Kootenai Formation, which is the principal aquifer, and (2) to describe the interaction between the Kootenai and overlying and underlying Mesozoic aquifers.
Date: September 1983
Creator: Levings, Julianne F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Use of NURE and Other Data Sets to Characterize Mineralized Environments in the Wallace and Choteau NTMS Quadrangles, Montana and Idaho

Description: This report follows the study to recognize, characterize, and delineate mineralized environments in the Wallace and Choteau quadrangles of Idaho and Montana.
Date: September 1983
Creator: Madson, Michael E. & Burger, John A.
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department

[Use of NURE and Other Data Sets to Characterize Mineralized Environments in the Wallace and Choteau NTMS Quadrangles, Montana and Idaho: Plates]

Description: Maps showing mineral occurrence data plots, National Uranium Resource Evaluation (NURE) radiometric data, and NURE aeromagnetic data displays for mineralized environments in the Wallace and Choteau NTMS Quadrangles, Montana and Idaho.
Date: September 1983
Creator: Madson, Michael E. & Burger, John A.
Item Type: Refine your search to only Map
Location: None
Partner: UNT Libraries Government Documents Department
open access

The Effects of Freshet Turbidity on Selected Aspects of the Biogeochemistry and the Trophic Status of Flathead Lake, Montana U.S.A.

Description: The present study sought to falsify three distinct hypotheses about how the interactions of freshet clay turbidity with Flathead Lake may be affecting its trophic state: 1) that freshet-derived turbidity causes precipitation of organic detritus from the water column by flocculation and/or coagulation of dissolved and colloidal organic carbon and seston; 2) that flocculated clay-organic detritus complexes become increasingly infested with microbial biomass as they sink through the water column; … more
Date: August 1983
Creator: Stuart, Tom J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Flood Estimates for Ungaged Streams in Glacier and Yellowstone National Parks, Montana

Description: From introduction: The purpose of this report is to provide estimates of 100-year flood discharges at selected sites in Glacier and Yellowstone National Parks. Estimates for streams with contributing drainage areas outside Glacier National Park were determined using only the contributing drainage area in the park.
Date: July 1983
Creator: Omang, R. J.; Parrett, Charles & Hull, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Montana: basic data for thermal springs and wells as recorded in GEOTHERM

Description: GEOTHERM sample file contains 225 records for Montana. Three computer-generated indexes are found in appendices A, B, and C of this report. The indexes give one line summaries of each GEOTHERM record describing the chemistry of geothermal springs and wells in the sample file for Montana. Each index is sorted by different variables to assist the user in locating geothermal records describing specific sites. Appendix A is sorted by the county name and the name of the source. Also given are latitu… more
Date: July 1, 1983
Creator: Bliss, J. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Appendix A. Mineral Occurrences

Description: Table listing the 1,073 known mineral occurrences in the project area, the Dillon, Butte, Hamilton, and Elk City 1º x 2º NTMS Quadrangles. Included is an additional table indexing abbreviations and terms used the mineral occurrence table for host or associated rocks, deposit types, and commodities.
Date: April 1983
Creator: Madson, Michael E.; Karp, K. E.; D'Andrea, R. F. & Morrison, B. C.
Item Type: Refine your search to only Dataset
Location: None
Partner: UNT Libraries Government Documents Department
open access

Appendix B. Anomaly Reports

Description: Text summarizing the features of the 10 type localities and 30 anomalous areas for mineral occurrences in the project area, the Dillon, Butte, Hamilton, and Elk City 1º x 2º NTMS Quadrangles. Each report includes date, chemical symbols for major/minor metals, location data, geochemical features, radiometric features, geophysical features, structural features, and host rocks.
Date: April 1983
Creator: Madson, Michael E.; Karp, K. E.; D'Andrea, R. F. & Morrison, B. C.
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
Back to Top of Screen