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Articles 1 - 20 of 20
Full-Text Articles in Engineering
A Study On The Origin Of Banded Agate, James E. Driscoll
A Study On The Origin Of Banded Agate, James E. Driscoll
Bachelors Theses and Reports, 1928 - 1970
Agate in any of its varieties presents numerous problems in regard to its origin. Many types have been described and their beauty elaborated upon, but little has been written concerning their formation and the problems involved. The genesis of agate implicates an amazing complexity of physical and colloidal chemistry, as well as, various principles of geology.
Underground Stratigraphy Of Montana, Virgil R. Chamberlain
Underground Stratigraphy Of Montana, Virgil R. Chamberlain
Bachelors Theses and Reports, 1928 - 1970
The purpose of this thesis is to study the subsurface stratigraphy of the state of Montana from information acquired from well logs, composite logs, and measured sections. Underground stratigraphy is important for the intelligent prospecting for oil, gas, or water. A knowledge of the strata beneath us can be gathered only by measurements of numerous outcrops or by deep drilling with careful sampling or logging of the formations passed through.
The Jefferson Canyon Gypsum Deposit., Arthur Talpt
The Jefferson Canyon Gypsum Deposit., Arthur Talpt
Bachelors Theses and Reports, 1928 - 1970
Gypsum deposits are widespread geographically and are in many geologic formations. Ordinarily their character and origin, for the most part sedimentary, are not difficult to ascertain. Near Lewis and Clark Caverns, east of Whitehall, Montana, occurs a deposit of gypsum unique in many respects.
Study And Correlation Of Belt And Cambrian Arkoses Near Limespur, Montana, Ryan C. Mcnamee
Study And Correlation Of Belt And Cambrian Arkoses Near Limespur, Montana, Ryan C. Mcnamee
Bachelors Theses and Reports, 1928 - 1970
In the vicinity of Limespur, Montana, a siding along the Northern Pacific Railroad near Whitehall, Montana, occurs a characteristic type of arkose where in many small red mineral grains are distributed throughout the rock mass. It is in this respect that this arkose differs from other arkoses in the surrounding region.
Alkali Leaching Of Antimony Sulphide And Electrolytic Recovery Of Antimony From The Resulting Leach Solution, Vincent J. Andrews
Alkali Leaching Of Antimony Sulphide And Electrolytic Recovery Of Antimony From The Resulting Leach Solution, Vincent J. Andrews
Bachelors Theses and Reports, 1928 - 1970
It is the purpose of this investigation to obtain some insight into optimum conditions for leaching Stibnite with sodium hydroxide solution and also to steady the factors affecting the electrolysis of the resulting solution.
Age Hardening Of Silver-Platinum Alloys, Robert A. Wilson
Age Hardening Of Silver-Platinum Alloys, Robert A. Wilson
Bachelors Theses and Reports, 1928 - 1970
The alloy system selected for study was the binary alloy of platinum and silver. An examination of the various silver alloy diagrams revealed that of several possible alloys, the silver platinum was the most suitable with regard to solubility.
Electrolytic Recovery Of Copper And Zinc From Brass., V. Kent Loughran
Electrolytic Recovery Of Copper And Zinc From Brass., V. Kent Loughran
Bachelors Theses and Reports, 1928 - 1970
The reclamation of metals from scrap is becoming increasingly important in the metallurgical industry. Copper, because it does not corrode readily and is electronegative to most common metals, is peculiarly adapted to reclamation.
Magnesium - Tellurium By Powder Methods, George Gale
Magnesium - Tellurium By Powder Methods, George Gale
Bachelors Theses and Reports, 1928 - 1970
Today considerable work is being done in the compressed metal powder field which is gradually obtaining prominence as a valuable branch of metallurgy. The mass of data, however, has led to many different ideas on the results of sintering.
The Geology And Ore Deposits Of Jardine, Montana, Wolter Duykers
The Geology And Ore Deposits Of Jardine, Montana, Wolter Duykers
Bachelors Theses and Reports, 1928 - 1970
The subject to be covered by this paper is based upon field study made during a six week stay at Jardine. The work began on June 19, 1937 and ended on July 31 of the same year.
Geology And Ore Deposits Of The Golden Messenger Mine, Lewis And Clark County, Helena, Montana., John C. Archibald Jr.
Geology And Ore Deposits Of The Golden Messenger Mine, Lewis And Clark County, Helena, Montana., John C. Archibald Jr.
Bachelors Theses and Reports, 1928 - 1970
The Golden Messenger Mine which is approximately twenty-three miles northeast of Helena, Montana, near York, on Trout Creek, has long presented several problems of both theoretical and practical interest.
A Rapid Determination Of Small Amounts Of Lead In Zinc, George T. Hanson
A Rapid Determination Of Small Amounts Of Lead In Zinc, George T. Hanson
Bachelors Theses and Reports, 1928 - 1970
This investigation, carried on in the metallurgical laboratories at the Montana School of Mines, was undertaken with the desire to work out a rapid method for the estimation, or the determination, of the amount of lead in zinc.
The Electrodeposition Of Manganese From Certain Aqueous Solutions., William C. Wallace
The Electrodeposition Of Manganese From Certain Aqueous Solutions., William C. Wallace
Bachelors Theses and Reports, 1928 - 1970
Manganese has been successfully electrodeposited from aqueous solutions in past years by several workers in electrochemical and electrometallurgical fields.
The present work was concerned, primarily, with investigation of electrodeposition from solutions which are commercially obtainable from the hydrometallurgical or pyrometallurgical treatment of the low grade manganese deposits of this country.
A Critical Analysis Of Methods Of Securing Basic Irrigation Data Used In Water Right Determinations, A. Alvin Bishop
A Critical Analysis Of Methods Of Securing Basic Irrigation Data Used In Water Right Determinations, A. Alvin Bishop
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Agriculture in the Western United States is almost entirely dependent upon irrigation. Irrigation has transformed the desert lands into fertile, producing valleys. It has made possible communities and settlement areas which would otherwise be impossible. Although the achievements of irrigation have been great, there still remains millions of acres of fertile land that will never be reclaimed because there is not available water.
The Geology Of The Southern Central Portion Of The Morrison Cave Area., Arthur Talpt
The Geology Of The Southern Central Portion Of The Morrison Cave Area., Arthur Talpt
Bachelors Theses and Reports, 1928 - 1970
Morrison Cave is located about 50 miles southeast of Butte, Montana. It was named after the man who discovered it. Later it was taken over by the State and renamed Morrison Cave State Park. Recently the government with the aid of the Civilian Conservation Corps has built a new road to the cave and has made the interior more accessible. The name of the cave is now Lewis and Clark Cavern National Monument.
An Approach To County Planning - Miller County, Frederick William Hurd
An Approach To County Planning - Miller County, Frederick William Hurd
Professional Degree Theses
"The purpose of this report is to present and discuss a proposed eight year state and county highway program as applicable to Miller County. Local needs for transportation service may be most readily and efficiently administered to on the county basis. The highway requirements of the state are now largely for local service roads and it is evident that a fair and just method of allocating this service must provide for the physical characteristics, economical status and local peculiarities of the area involved. We may therefore justly assume that the counties, the smallest political subdivisions in the state having direct …
Superstructure Costs Of Short Span Self-Anchored Suspension Bridges, David J. Peery
Superstructure Costs Of Short Span Self-Anchored Suspension Bridges, David J. Peery
Professional Degree Theses
"Complete designs and estimates for three self-anchored highway suspension bridges are made in this paper. The span lengths investigated are commonly considered to be shorter than the economic limit for suspension bridges. Simple truss and cantilever bridges are usually considered the most economic types for these span lengths"--Synopsis, page 1.
The Foundations Of Lock And Dam No. 26 - Alton, Illinois, John Joseph Livingston
The Foundations Of Lock And Dam No. 26 - Alton, Illinois, John Joseph Livingston
Professional Degree Theses
"The present Upper Mississippi River Canalization Program provides for a channel depth of nine feet, with suitable widths, at low water, in the Upper Mississippi River between the Missouri River and Minneapolis, Minnesota, and was adopted by the River and Harbor Act of July 3, 1930, as amended by Public Resolution No. 10, Seventy-second Congress, First Session, approved February 24, 1932. The establishment of this nine-foot channel requires the construction of twenty-six dams and accompanying locks - two of which were already constructed - at selected points throughout the distance between Minneapolis and the mouth of the Missouri River...This series …
Application Of Small-Scale, Movable-Bed River Models To Channel Improvement Studies Of The Middle Mississippi River, Eugene H. Woodman
Application Of Small-Scale, Movable-Bed River Models To Channel Improvement Studies Of The Middle Mississippi River, Eugene H. Woodman
Professional Degree Theses
"This paper deals primarily with the use of small-scale models in the study of plans for improving the channel for navigation in several reaches of the Middle Mississippi River. However, it was considered expedient to include a discussion of hydraulic model experimentation in general before dealing with specific cases, in order that the reader might obtain the greatest possible satisfaction from the discussion.
The first part of this paper includes: a discussion of the theory of models, wherein the value and utility of models are demonstrated; the application of models to hydraulic problems, including the requirements for a model to …
Hydrography Of The Larger Springs Of The Ozark Region Of Missouri, Warwick Lewis Doll
Hydrography Of The Larger Springs Of The Ozark Region Of Missouri, Warwick Lewis Doll
Professional Degree Theses
"This thesis is based upon a study of the larger springs of the Ozark Region of Missouri and is designed to answer many requests for information about the large springs.
Special studies were made to determine the probable location and approximate area of the drainage areas of the large springs (previous writers have referred to the drainage areas as being “very large" or "enormous", apparently, without any very definite idea as to the extent or the drainage areas). The average run-off per square mile from the assumed drainage area, herein called the "spring factor", was determined for the largest springs. …
Design Considerations In Food Irrigation, Hans G. Jepson
Design Considerations In Food Irrigation, Hans G. Jepson
Electronic Theses and Dissertations
Flood-irrigation is primarily a system of irrigation which utilizes a part or all of the surface run-off is diverted from contributing watersheds and distributed over the fields by dikes or ditches. Diversion is accomplished through the use of a dam or of dikes if the volume of water diverted is not too great. There are thousands upon thousands of fertile acres throughout the arid and semi-arid regions of the Great Plains which could be materially benefited if bolstered by a little additional rainfall. It is not possible to increase the normal precipitation over the area , but it is possible, …