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22
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243 Matching Results
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Water Quality of Alignment, Farquar, and Long Lakes in Apple Valley, Minnesota
Abstract: Alimagnet, Farquar, and Long Lakes, in Apple Valley, Minnesota, were sampled from 1973-79 to determine their physical and chemical characteristics. A storm-sewer inlet to Alimagnet Lake was also sampled during two storms in 1978. The 1976-77 drought caused a more noticeable effect on the quality of the lakes than any other factor. Chloride concentrations were 10 to 15 milligrams per liter before the drought, but increased 2 to 4 times during the drought. Dissolved solids reacted similarly . Dissolved oxygen and pH were governed mainly by biological activity. In February 1977, dissolved-oxygen concentration was less than 0.5 milligrams per liter in the three lakes. Ratios between mean total nitrogen and mean total phosphorus ranged from 22:1 to 26:1. Tropic-state indices indicate that the lakes are eutrophic. Blue-green algae dominated the phytoplankton populations. Storms sampled at a storm-sewer inlet to Alimagnet Lake showed higher concentrations pf chromium, copper, nickel, and zinc than of lead, arsenic, cadmium, and mercury. Total phosphorus for the September 1978 storm had a concentration of 1.7 milligrams per liter, which means that approximately 29 pounds entered the lake during the 5.5-hour sampling period.
Date:
June 1981
Creator:
Have, Mark R.; Payne, Gregory A. & Ayers, Mark A.
Object Type:
Report
System:
The UNT Digital Library
Ground-Water Appraisal of the Pineland Sands Area, Central Minnesota
Purpose and scope: The major purpose of this study is to evaluate the ground-water resources in the Pineland Sands area and their potential for development. The study focuses mainly on the surficial aquifer, the single most readily available source of ground water. Primary objectives of the study are (1) map the areal extent and thickness of the surficial aquifer, (2) determine its ability to transmit water to wells and define the availability of the water, (3) describe the chemical quality of the water, and (4) model the aquifer and simulate probable effects of future development. By evaluating the adequacy of the surficial aquifer, this study should aid in the proper development and management of water resources in the Pineland Sands area.
Date:
1977
Creator:
Helgesen, John O.
Object Type:
Report
System:
The UNT Digital Library
Ground-Water Appraisal of the Pineland Sands Area, Central Minnesota
Report outlining a survey of the Pineland Sands area in central Minnesota as well as a digital model, created to predict the development of its surficial aquifer. It contains maps, graphs, and figures.
Date:
unknown
Creator:
Helgesen, John O.
Object Type:
Report
System:
The UNT Digital Library
Engineering Report on Drilling in the Red River Valley of North Dakota and Minnesota
The following report discusses the findings from the Red River Valley drilling project that began in early June, 1977 and completed in October.
Date:
November 1978
Creator:
Hesse, Kathryn Kadish
Object Type:
Report
System:
The UNT Digital Library
Rape as a Forage Crop
Report discussing the cultivation of the rape plant as a forage crop, including its varieties, soil requirements and preparation, and harvesting. Also describes various uses of rape as a forage crop, weed destroyer, and cover crop.
Date:
1903
Creator:
Hitchcock, A. S. (Albert Spear), 1865-1935
Object Type:
Pamphlet
System:
The UNT Digital Library
Ground-Water-Use Trends in the Twin Cities Metropolitan Area, Minnesota, 1880-1980
From purpose and scope: The purpose of this report is to describe trends in ground-water use in the Twin Cities metropolitan area, Minnesota, from 1880 to 1980. Water-use trends are discussed in terms of use category, volume of water used over time, aquifer, and well location.
Date:
1983
Creator:
Horn, M. A.
Object Type:
Report
System:
The UNT Digital Library
Wheat Scab and Its Control
This bulletin discusses wheat scab, a fungal disease of wheat, rye, barley, and oats that is caused by a parasite. It describes the appearance of afflicted crops as well as the parasite's life cycle and proposes a variety of control measures.
Date:
1921
Creator:
Johnson, Aaron G. & Dickson, James G. (James Geere), b. 1891
Object Type:
Pamphlet
System:
The UNT Digital Library
Uranium and Thorium Occurrences in Precambrian Rocks, Upper Peninsula of Michigan and Northern Wisconsin, with Thoughts on Other Possible Settings
This report follows the study of uranium and thorium potential of the Precambrian rocks of northern Wisconsin and the western half of the Upper Peninsula of Michigan.
Date:
June 1976
Creator:
Kalliokoski, Jorma O. & Johnson, Carol
Object Type:
Report
System:
The UNT Digital Library
Design of a Groundwater Sampling Network for Minnesota
From introduction: This folio was compiled to facilitate the use of groundwater as a sampling medium to aid in exploration for hitherto undiscovered deposits of uranium in the subsurface rocks of Minnesota. The report consists of the following sheets of the hydrogeologic map of Minnesota: 1) map of bedrock hydrogeology, 2) generalized cross sections of the hydrogeologic map of Minnesota, showing both Quaternary deposits and bedrock, 3) map of waterwells that penetrate Precambrian rocks in Minnesota. A list of these wells, showing locations, names of owners, type of Precambrian aquifers penetrated, lithologic material of the aquifers, and well depths is provided in the appendix to this report.
Date:
January 1978
Creator:
Kanivetsky, Roman
Object Type:
Report
System:
The UNT Digital Library
Change Houses in the Lake Superior Region
Technical paper issued by the Bureau of Mines over change and wash houses in the Lake Superior area. As stated in the introduction, "this paper, with a few exceptions, presents data acquired in a survey, made by the author, of change houses in the Lake Superior region. All buildings, equipment, and practices were studied with regard for the health and welfare of the miner" (p. 1). This paper includes tables, photographs, and illustrations.
Date:
September 1923
Creator:
Kindall, Cleve Edwin
Object Type:
Report
System:
The UNT Digital Library
Limnological and Geochemical Survey of Williams Lake Hubbard County, Minnesota
Purpose and scope: The purpose of this report is to describe and make preliminary interpretations of: (1) Limnological characteristics of Williams Lake, based on physical, chemical, and biological data collected in 6 days in 6 different months in 1979; (2) chemical quality of ground water near the lake, based on samples collected during the summer of 1979; and (3) mineralogy of the lake sediment cores obtained in February 1978. The period of study extended from March, when the lake was covered by ice, through the period of open water, to December, when it was again covered by ice.
Date:
September 1981
Creator:
LaBaugh, J. W.; Groschen, G. E. & Winter, T. C.
Object Type:
Report
System:
The UNT Digital Library
Graphic and Analytical Methods for Assessment of Steam-Water Quality -- Mississippi River in the Minneapolis-St. Paul Metropolitan Area, Minnesota
From Purpose and Objectives: This study was made primarily to provide a means to depict and forecast stream quality based on known causative or apparent correlative factors.
Date:
July 1976
Creator:
Larson, Steven P.; Mann, William B., IV; Steele, Timothy Doak & Susag, Russell H.
Object Type:
Report
System:
The UNT Digital Library
Digital Models of a Glacial Outwash Aquifer in the Pearl-Sallie Lakes Area, West-Central Minnesota
From purpose and scope: The purpose of this investigation is to 1) study the hydrologic system in a glaciated terrain typified by numerous lakes, with particular focus on the effects of lake-ground-water interchange, 2) simulate the natural system by using two digital modeling methods--areal (map view) and vertical section, and 3) evaluate the utility of the models and determine the kinds and amount of basic data needed to obtain reasonable simulations.
Date:
November 1975
Creator:
Larson, Steven P.; McBride, Mark S. & Wolf, Ronald J.
Object Type:
Report
System:
The UNT Digital Library
The Culture of Winter Wheat in the Eastern United States
Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date:
1914
Creator:
Leighty, C. E. (Clyde Evert), b. 1882
Object Type:
Pamphlet
System:
The UNT Digital Library
The Culture of Winter Wheat in the Eastern United States
Revised edition. Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date:
1917
Creator:
Leighty, C. E. (Clyde Evert), b. 1882
Object Type:
Pamphlet
System:
The UNT Digital Library
Pre-Cambrian Rocks of the Lake Superior Region: A Review of Newly Discovered Geologic Features, with a Revised Geologic Map
From abstract: Detailed knowledge of the geology of the pre-Cambrian rocks of the Lake Superior region has been greatly augmented since the publication of Monograph 52 by the United States Geological Survey in 1911. The authors have attempted in the present report to assemble as much of this new information as possible, and to give the reader a birdseye view of the geology as seen in the light of all studies made there up to the present time. Detailed descriptions are not presented, and the emphasis is placed upon the major problems of correlation. A revised map of the region, with cross sections, accompanies the report, bringing up to date a knowledge of the areal geology of the region, which otherwise could be gained only by consulting some 150 maps contained in almost as many separate local reports, many of which are unpublished.
Date:
1935
Creator:
Leith, C. K.; Lund, Richard Jacob & Leith, Andrew
Object Type:
Report
System:
The UNT Digital Library
Quaternary Geology of Minnesota and Parts of Adjacent States
Description of geology in Minnesota and explanations of glacial drift within the state an immediate surroundings (Wisconsin, Iowa, North Dakota and South Dakota) with sections detailing the movement of each glacier and relevant geological notes. Index starts on page 147.
Date:
1930
Creator:
Leverett, Frank, 1859-1943
Object Type:
Report
System:
The UNT Digital Library
Low-Flow Characteristics of Minnesota Streams
From introduction: This report summarizes data currently available to obtain low-flow characteristics for Minnesota streams. The data include expected annual low-flows for specific recurrence intervals at 161 continuous-record gaging stations.
Date:
March 1977
Creator:
Lindskov, K. L.
Object Type:
Report
System:
The UNT Digital Library
Disaster Tax Relief for the Midwest
The Midwestern Disaster Tax Relief Act of 2008 is intended to assist with the recovery from the severe weather that affected the Midwest during the summer of 2008. The Jobs, Energy, Families, and Disaster Relief Act of 2008 includes some similar provisions, but these are not limited to the Midwest disaster. The disaster relief in the three bills is similar to that provided to assist with the recovery from the 2005 hurricanes and the 2007 Kansas tornadoes. This report broadly discusses the disaster relief provisions in other relevant legislation.
Date:
August 20, 2008
Creator:
Lunder, Erika
Object Type:
Report
System:
The UNT Digital Library
Predicting the Incremental Effects on Transit Ridership Due to Bus-on-Shoulder Operations
Report exploring how the residents of Austin, Texas would respond to a Bus-on-Shoulder operation on local freeways, which allows buses to use the freeway shoulder as a passing lane.
Date:
August 2010
Creator:
Machemehl, Randy B. & Pappas, Elani
Object Type:
Report
System:
The Portal to Texas History
Water Resources of the Red River of the North Drainage Basin in Minnesota
The report consists of three principal sections; environmental setting, water resource management, and the hydrologic system. The environmental setting describes the land and people as related to water resources. The section on water resource management is intended to provide practical information needed for the planning and management of water resources. The section on the hydrologic system is a more technical discussion of water in the Red River basin. The section on water management can be used to locate the water, determine the amount available and its quality; whereas, the section on the hydrologic system describes the operation of the system how water moves through the system and why the quality is as it is.
Date:
November 1972
Creator:
Maclay, R. W.; Winter, T. C. & Bidwell, L. E.
Object Type:
Report
System:
The UNT Digital Library
Suspenders.
Patent for suspenders to be used for supporting trousers and drawers, or similar items. The suspenders also provide an improved means for supporting a "plurality of tabs" simultaneously.
Date:
October 21, 1913
Creator:
Mally, Frederick W. & Hudson, Edwin P.
Object Type:
Patent
System:
The Portal to Texas History
Emmer and Spelt
Report describing the types of wheat known as emmer and spelt, which are not widely grown in the United States and differ from other types of wheat in that most of the kernel is not removed from the chaff during threshing. The history, distribution, adaptation, varieties, culture, harvesting and threshing, and uses of both emmer and spelt are discussed.
Date:
1924
Creator:
Martin, John H. (John Holmes), 1893- & Leighty, C. E. (Clyde Evert), b. 1882
Object Type:
Pamphlet
System:
The UNT Digital Library
Ground Water for Irrigation in the Viking Basin, West-Central Minnesota
Abstract: The Viking Basin consists of six glacial outwash areas in Douglas, Ottertail, and Todd Counties, west-central Minnesota. Total area is 340 square miles (880 square kilometers). Soils are sandy and excessively well-drained. Crops grown on the outwash would benefit from supplemental irrigation. Irrigation supplies can be obtained from wells in the surface outwash aquifer in significant parts of the large outwash areas near Carlos and Parkers Prairie and the small outwash area near Clotho. Irrigation supplies are unlikely in the outwash areas near Alexandria, Urbank, and Rose City. Major use of ground water for irrigation may lower ground-water levels sufficiently to affect lake and marsh levels and streamflow out of the irrigation areas. Water from the outwash is of excellent chemical quality for irrigation.
Date:
October 1975
Creator:
McBride, M. S.
Object Type:
Report
System:
The UNT Digital Library