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An Assessment of the Collection and Analysis of Hydrologic Data by Private Contractors for the U.S. Geological Survey

Description: From abstract: During fiscal years 1978 through 1981, the U.S. Geological Survey contracted for the acquisition and analysis of hydrologic data from 104 surface water stations, 26 ground water stations, and 15 precipitation gages as well as for several hundred miscellaneous surface water measurements of flow and water quality. The work was performed in Montana, North Dakota, Wyoming, Utah, New Mexico, and Oklahoma, terminating at the end of the fiscal year 1981. This report is an assessment of this contracting effort from the standpoint of cost and of quality control measures employed to ensure an acceptable product.
Date: 1983
Creator: Kilpatrick, F. A.; Condes de la Torre, A. & Hutchinson, R. D.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Potential Effects of Surface Coal Mining on the Hydrology of the Greenleaf-Miller Area, Ashland Coal Field, Southeastern 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. Specific objectives of the study were to: (1) Identify ground-water resources and use; (2) identify surface-water resources and runoff characteristics; (3) determine chemical quality of the ground-water resources; (4) identify probable impacts on existing water resources by mining operations; and (5) evaluate the potential for reclamation of local water resources.
Date: February 1983
Creator: Levings, Gary W.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Map Showing Altitude of the Top of the Lakota Formation and Equivalent Rocks, Montana

Description: Introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the altitude of the top of the Lakota Formation and equivalent rocks. Other maps show the total thickness (Feltis, 1982a), cumulative thickness of sandstone (Feltis, 1982b), and potentiometric surface of water (Levings, 1982) in the Lakota Formation and equivalent rocks. These maps are part of a series that describes the geology and potentiometric surface of selected rock units of Jurassic or younger age in the plains area of Montana.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

Significance of Water Quality to Fish Propagation, Waterfowl Habitat, Livestock Watering, and Recreation Use for 24 Lakes and Reservoirs in Valley and Phillips Counties, Montana

Description: From purpose and scope: The purpose of this report is to present biological data and to compare the physical, chemical, and biological data to water-quality criteria that are desirable for the proposed reservoir uses.
Date: April 1983
Creator: Ferreira, Rodger F.
Partner: UNT Libraries Government Documents Department

Map Showing Total Thickness of the Fox Hills-Lower Hell Creek Aquifer, Montana

Description: Introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the total thickness of the Fox Hills-lower Hell Creek aquifer. Other maps show the altitude of the top (Feltism 1982a), cumulative thickness of sandstone (Feltis, 1982b), and potentiometric surface of water (Levings, 1982) in the Fox Hills-lower Hell Creek aquifer. These maps are part of a series that describes the geology and potentiometric surface of selected rock units of Jurassic or younger age in the plains area of Montana.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

Map Showing Total Thickness of the Eagle Sandstone and Telegraph Creek Formation, Montana

Description: From introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the total thickness of the combined Eagle Sandstone and Telegraph Creek Formation.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Map Showing Altitude of the Top of the Fox Hills-Lower Hell Creek Aquifer, Montana

Description: Introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the altitude of the top of the Fox Hills-lower Hell Creek aquifer. Other maps show the total thickness (Feltis, 1982a). cumulative thickness of sandstone (Feltis, 1982b), and potentiometric surface of water (Levings, 1982) of the Fox Hills-lower Hell Creek aquifer. These maps are part of a series that describes the geology and potentiometric surface of selected rock units of Jurassic or younger age in the plains area of Montana.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

Map Showing Cumulative Thickness of Sandstone in the Fox Hills-Lower Hell Creek Aquifer, Montana

Description: Introduction: In 1978, the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the cumulative thickness of sandstone in the Fox Hills-lower Hell Creek aquifer. Other maps show the altitude of the top (Feltis, 1982a), total thickness (Feltis, 1982b), and potentiometric surface of water (Levings, 1982) of the Fox Hills-lower Hell Creek aquifer. These maps are part of a series that describes the geology and potentiometric surface of selected rock units of Jurassic or younger age in the plains area of Montana.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

Map Showing Cumulative Thickness of Sandstone in the Eagle Sandstone and Telegraph Creek Formation, Montana

Description: From introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the cumulative thickness of sandstone in the combined Eagle Sandstone and Telegraph Creek Formation.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department

Map Showing Cumulative Thickness of Sandstone in the Lakota Formation and Equivalent Rocks, Montana

Description: Introduction: In 1978 the U.S. Geological Survey began a 4-year study of aquifers in the northern Great Plains. The purpose of this map, which is a product of that study, is to show the cumulative thickness of sandstone in the Lakota Formation and equivalent rocks. Other maps show the altitude of the top (Feltis, 1982a), total thickness (Feltis, 1982b), and potentiometric surface of water (Levings, 1982) of the Lakota Formation and equivalent rocks. These maps are part of a series that describes the geology and potentiomentric surface of a selected rock units of Jurassic or younger age in plains area of Montana.
Date: 1982
Creator: Feltis, R. D.
Partner: UNT Libraries Government Documents Department