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846
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340
Oklahoma Digital Newspaper Program
294
Abilene Library Consortium
112
The Abilene Reporter
33
Ladd & Katherine Hancher Library Foundation
30
The Oklahoma City Times
28
Chickasha Newspaper Collection
26
Denton County Newspapers Collection
26
Denton Record-Chronicle
22
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1,152 Matching Results
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Mineral Wells Index (Mineral Wells, Tex.), Vol. 82, No. 97, Ed. 1 Thursday, August 26, 1982
Daily newspaper from Mineral Wells, Texas that includes local, state and national news along with extensive advertising.
Date:
August 26, 1982
Creator:
Bennie, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily Index. (Mineral Wells, Tex.), Vol. 3, No. 98, Ed. 1 Tuesday, August 26, 1902
Daily newspaper from Mineral Wells, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1902
Creator:
Newton, W. B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Fort Wolters Trumpet (Fort Wolters, Tex.), Vol. 10, No. 9, Ed. 1 Friday, August 26, 1966
A weekly newspaper from Fort Wolters, Mineral Wells, Texas that includes news of interest to United States Army and civilian personnel at Fort Wolters, along with advertising.
Date:
August 26, 1966
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Alto Herald and The Wells News 'N Views (Alto, Tex.), Vol. 82, No. 16, Ed. 1 Thursday, August 26, 1982
Weekly newspaper from Alto, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 26, 1982
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Mountaintop Mining: Background on Current Controversies
Mountaintop removal mining involves removing the top of a mountain in order to recover the coal seams contained there. This practice occurs in several Appalachian states. It creates an immense quantity of excess spoil (dirt and rock that previously composed the mountaintop), which is typically placed in valley fills on the sides of the former mountains, burying streams that flow through the valleys. Critics say that, as a result of valley fills, stream water quality and the aquatic and wildlife habitat that streams support are destroyed by tons of rocks and dirt. The mining industry argues that mountaintop mining is essential to conducting surface coal mining in the Appalachian region and that surface coal mining would not be economically feasible there if producers were restricted from using valleys for the disposal of mining overburden. Mountaintop mining is regulated under several laws, including the Clean Water Act. This report provides background on regulatory requirements, controversies, and legal challenges to Clean Water Act regulation of mountaintop mining.
Date:
August 26, 2008
Creator:
Copeland, Claudia
Object Type:
Report
System:
The UNT Digital Library
The Elk City Daily News (Elk City, Okla.), Vol. 29, No. 287, Ed. 1 Wednesday, August 26, 1959
Daily newspaper from Elk City, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 26, 1959
Creator:
Wells, Virgil
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Wellington Leader (Wellington, Tex.), Vol. 13, No. 4, Ed. 1 Friday, August 26, 1921
Weekly newspaper from Wellington, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 26, 1921
Creator:
Wells, J. Claude
Object Type:
Newspaper
System:
The Portal to Texas History
Design considerations for a hard-rock PDC drill bit
This paper discusses the potential for developing a polycrystalline diamond compact (PDC) drill bit for hard-rock applications such as geothermal drilling. It is concluded that in order to use the inherently efficient drag cutting process in such severe applications, measures must be taken to reduce cutter penetrating forces in order to prevent thermally-accelerated cutter wear and thereby improve bit life. A procedure is developed for determining the conditions under which waterjets can be effectively used for this purpose by directing them at the rock surface ahead of individual cutters. It is concluded that hard rocks with compressive strengths as high as 30 kpsi (200 MPa) may be drillable with a hybrid PDC/waterjet bit using pressures that conventional oil field pumping technology is capable of providing. Extremely hard rocks might be drilled with such a bit using nozzle pressures well below those required to effectively cut the rock with waterjets alone. 13 refs., 6 figs.
Date:
August 26, 1985
Creator:
Glowka, D.A.
Object Type:
Article
System:
The UNT Digital Library
Final Technical Report for DOE Award DE-FG02-07ER64403 [Modeling of Microbially Induced Calcite Precipitation for the Immobilization of Strontium-90 Using a Variable Velocity Streamtube Ensemble]
Biogeochemical modeling using PHREEQC2 and a streamtube ensemble approach is utilized to understand a well-to-well subsurface treatment system at the Vadose Zone Research Park (VZRP) near Idaho Falls, Idaho. Treatment involves in situ microbially-mediated ureolysis to induce calcite precipitation for the immobilization of strontium-90. PHREEQC2 is utilized to model the kinetically-controlled ureolysis and consequent calcite precipitation. Reaction kinetics, equilibrium phases, and cation exchange are used within PHREEQC2 to track pH and levels of calcium, ammonium, urea, and calcite precipitation over time, within a series of one-dimensional advective-dispersive transport paths creating a streamtube ensemble representation of the well-to-well transport. An understanding of the impact of physical heterogeneities within this radial flowfield is critical for remediation design; we address this via the streamtube approach: instead of depicting spatial extents of solutes in the subsurface we focus on their arrival distribution at the control well(s). Traditionally, each streamtube maintains uniform velocity; however in radial flow in homogeneous media, the velocity within any given streamtube is spatially-variable in a common way, being highest at the input and output wells and approaching a minimum at the midpoint between the wells. This idealized velocity variability is of significance in the case of ureolytically driven calcite precipitation. …
Date:
August 26, 2013
Creator:
Ginn, Timothy R. & Weathers, Tess
Object Type:
Report
System:
The UNT Digital Library
Palo Pinto County Star (Palo Pinto, Tex.), Vol. 62, No. 10, Ed. 1 Friday, August 26, 1938
Weekly newspaper from Palo Pinto, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1938
Creator:
Dunbar, Mary Whatley
Object Type:
Newspaper
System:
The Portal to Texas History
Palo Pinto County Star. (Palo Pinto, Tex.), Vol. 29, No. 9, Ed. 1 Friday, August 26, 1904
Weekly newspaper from Palo Pinto, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1904
Creator:
Son, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
Palo Pinto County Star. (Palo Pinto, Tex.), Vol. 29, No. 9, Ed. 1 Friday, August 26, 1904
Weekly newspaper from Palo Pinto, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1904
Creator:
Son, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily Herald. (Weatherford, Tex.), Vol. 13, No. 192, Ed. 1 Monday, August 26, 1912
Daily newspaper from Weatherford, Texas that includes local, state and national news along with advertising.
Date:
August 26, 1912
Creator:
Bell, Tom H.
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily Herald (Weatherford, Tex.), Vol. 15, No. 193, Ed. 1 Wednesday, August 26, 1914
Daily newspaper from Weatherford, Texas that includes local, state and national news along with advertising.
Date:
August 26, 1914
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Jacksboro Gazette. (Jacksboro, Tex.), Vol. 18, No. 13, Ed. 1 Thursday, August 26, 1897
Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 26, 1897
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Weekly Herald (Weatherford, Tex.), Vol. 21, No. 21, Ed. 1 Tuesday, August 26, 1920
Weekly newspaper from Weatherford, Texas that includes local, state and national news along with advertising.
Date:
August 26, 1920
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 69, No. 13, Ed. 1 Thursday, August 26, 1948
Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 26, 1948
Creator:
Dennis, James R., Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
The Weekly Herald. (Weatherford, Tex.), Vol. 6, No. 16, Ed. 1 Saturday, August 26, 1905
Weekly newspaper from Weatherford, Texas that includes local, state and national news along with advertising.
Date:
August 26, 1905
Creator:
Railey, J. E. H. & Switzer, John J.
Object Type:
Newspaper
System:
The Portal to Texas History
The Lampasas Leader. (Lampasas, Tex.), Vol. 16, No. 40, Ed. 1 Friday, August 26, 1904
Weekly newspaper from Lampasas, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1904
Creator:
Vernor, J. E.
Object Type:
Newspaper
System:
The Portal to Texas History
Alvarado Bulletin. (Alvarado, Tex.), Vol. 19, No. 9, Ed. 1 Friday, August 26, 1898
Weekly newspaper from Alvarado, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1898
Creator:
Pardue, P. H.
Object Type:
Newspaper
System:
The Portal to Texas History
Electra Star-News (Electra, Tex.), Vol. 93, No. 2, Ed. 1 Thursday, August 26, 1999
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1999
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Stephenville Empire-Tribune (Stephenville, Tex.), Vol. 68, No. 36, Ed. 1 Friday, August 26, 1938
Weekly newspaper from Stephenville, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 1938
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Mexia Weekly Herald (Mexia, Tex.), Vol. 10, No. 34, Ed. 1 Thursday, August 26, 1909
Weekly newspaper from Mexia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 26, 1909
Creator:
Houx, N. P.
Object Type:
Newspaper
System:
The Portal to Texas History
The Jacksboro Gazette (Jacksboro, Tex.), Vol. 58, No. 13, Ed. 1 Thursday, August 26, 1937
Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 26, 1937
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History