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[920 W. Swanitz - Lincoln School]
Photograph of the front and side of the "Lincoln School" located at 920 W. Swanitz in Palestine, Texas, taken from the northwest corner. It is a two-story brick building that served as a school for African-American students from 1923 until integration in Palestine during 1965. This building was demolished after a 1999 fire. A sign on the corner says: "Anderson County Community Council community Center, 723-5101, Our One Constant: Service to Humanity."
Date:
April 1991
Creator:
Emrich, Ron
Object Type:
Photograph
System:
The Portal to Texas History
15th Street News (Midwest City, Okla.), Vol. 19, No. 22, Ed. 1 Friday, April 5, 1991
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 5, 1991
Creator:
Garland, S. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 23, Ed. 1 Friday, April 12, 1991
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 12, 1991
Creator:
Garland, S. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 24, Ed. 1 Friday, April 19, 1991
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 19, 1991
Creator:
Garland, S. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 25, Ed. 1 Friday, April 26, 1991
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 26, 1991
Creator:
Garland, S. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Accessibility Guide to the Texas State Capitol
Guide to the Texas State Capitol for disabled people describing the accessibility of the Capitol, grounds, and other buildings in the complex.
Date:
April 28, 1991
Creator:
Button, Betty & Dietz, Allen
Object Type:
Book
System:
The Portal to Texas History
Achieve!, April 1991
Periodic newsletter discussing information related to student drop-out rates, relevant legislative issues, and prevention programs. This issue focuses on the need to overhaul children's services to help improve student success rates.
Date:
April 1991
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Actinide transport in Topopah Spring Tuff: Pore size, particle size, and diffusion
Diffusive transport rates for aqueous species in a porous medium are a function of sorption, molecular diffusion, and sample tortuosity. With heterogeneous natural samples, an understanding of the effect of multiple transport paths and sorption mechanisms is particularly important since a small amount of radioisotope traveling via a faster-than-anticipated transport path may invalidate the predictions of transport codes which assume average behavior. Static-diffusion experiments using aqueous {sup 238}U tracer in tuff indicated that U transport was faster in regions of greater porosity and that apparent diffusion coefficients depended on the scale (m or {mu}m) over which concentration gradients were measured in Topopah Spring Tuff. If a significant fraction of actinides in high-level waste are released to the environment in forms that do not sorb to the matrix, they may be similarly transported along fast paths in porous regions of the tuff. To test this, aqueous diffusion rates in tuff were measured for {sub 238}U and {sub 239}Pu leached from doped glass. Measured transport rates and patterns were consistent in both systems with a dual-porosity transported moeld. In addition, filtration or channelling of actinides associated with colloidal particles may significantly affect the radionuclide transport rate in Topopah Spring tuff. 9 refs., …
Date:
April 1, 1991
Creator:
Buchholtz ten Brink, M.; Phinney, D. L. & Smith, D. K.
Object Type:
Article
System:
The UNT Digital Library
Adolescent Health, Volume 1: Summary and Policy Options
This OTA’s report responds to the request of numerous Members of Congress to review the physical, emotional, and behavioral health status of contemporary American adolescents, including adolescents in groups who might be more likely to be in special need of health-related interventions: adolescents living in poverty, adolescents from racial and ethnic minority groups, Native American adolescents, and adolescents in rural areas. In addition, OTA was asked to: 1 ) identify risk and protective factors for adolescent health problems and integrate national data in order to understand the clustering of specific adolescent problems, 2) evaluate options in the organization of health services and technologies available to adolescents (including accessibility and financing), 3) assess options in the conduct of national health surveys to improve collection of adolescent health statistics, and 4) identify gaps in research on the health and behavior of adolescents.
Date:
April 1991
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
The Advanced Light Source: A new tool for research in atomic and molecular physics
The Advanced Light Source at the Lawrence Berkeley Laboratory will be the world's brightest synchrotron radiation source in the extreme ultraviolet and soft x-ray regions of the spectrum when it begins operation in 1993. It will be available as a national user facility to researchers in a broad range of disciplines, including materials science, atomic and molecular physics, chemistry, biology, imaging, and technology. The high brightness of the ALS will be particularly well suited to high-resolution studies of tenuous targets, such as excited atoms, ions, and clusters. 13 figs., 4 tabs.
Date:
April 1, 1991
Creator:
Schlachter, F. & Robinson, A.
Object Type:
Article
System:
The UNT Digital Library
The advantages of a salt/bentonite backfill for Waste Isolation Pilot Plant disposal rooms
A 70/30 wt% salt/bentonite mixture is shown to be preferable to pure crushed salt as backfill for disposal rooms in the Waste Isolation Pilot Plant (WIPP). This report discusses several selection criteria used to arrive at this conclusion: the need for low permeability and porosity after closure, chemical stability with the surroundings, adequate strength to avoid shear erosion from human intrusion, ease of emplacement, and sorption potential for brine and radionuclides. Both salt and salt/bentonite are expected to consolidate to a final state of impermeability (i.e., {le} 10{sup {minus}18}m{sup 2}) adequate for satisfying federal nuclear regulations. Any advantage of the salt/bentonite mixture is dependent upon bentonite's potential for sorbing brine and radionuclides. Estimates suggest that bentonite's sorption potential for water in brine is much less than for pure water. While no credit is presently taken for brine sorption in salt/bentonite backfill, the possibility that some amount of inflowing brine would be chemically bound is considered likely. Bentonite may also sorb much of the plutonium, americium, and neptunium within the disposal room inventory. Sorption would be effective only if a major portion of the backfill is in contact with radioactive brine. Brine flow from the waste out through highly localized channels …
Date:
April 1, 1991
Creator:
Butcher, B.M.; Novak, C.F. (Sandia National Labs., Albuquerque, NM (United States)) & Jercinovic, M. (New Mexico Univ., Albuquerque, NM (United States))
Object Type:
Report
System:
The UNT Digital Library
The Age, Volume [12], Number 4, April 1991
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
April 1991
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[Agenda for the San Antonio Chapter of the Links, Inc. Meeting - April 21, 1991]
Agenda for the April 21, 1991 meeting of the San Antonio chapter of The Links, Inc. Items for discussion include the chapter's correspondence, treasury reports, committee reports, officer elections, and current business.
Date:
April 21, 1991
Creator:
Links, Inc. San Antonio Chapter.
Object Type:
Text
System:
The Portal to Texas History
[Agenda: WASP Historic Monument Committee Meeting, April 18, 1991]
Agenda for the WASP Historic Monument Committee listing action items and discussion points for the April 18, 1991 meeting.
Date:
April 18, 1991
Creator:
Women Airforce Service Pilots (U.S.)
Object Type:
Text
System:
The Portal to Texas History
The AGS Booster high frequency rf system
A high level rf system, including a power amplifier and cavity, has been designed and built for the AGS Booster. It covers a frequency range of 2.4 to 4.2 MHz and will be used to accelerate high intensity protons. Low intensity polarized protons and heavy ions, to the 1.5 GeV level. A total accelerating voltage of up to 90 kV will be provided by two cavities, each having two gaps. The internally cross coupled, pushpull cavities are driven by an adjacently located power amplifier. In order to accommodate beam intensities up to 0.75 {times} 10{sup 13} protons per bunch, a low plate resistance power tetrode is used. The tube anode is magnetically coupled to one of the cavity's two parallel cells. The amplifier is a grounded cathode configuration driven by a remotely located solid-state amplifier. It has been tested in the laboratory at full gap voltage with satisfactory results. 5 refs., 2 figs., 1 tab.
Date:
April 23, 1991
Creator:
Sanders, R.T.; Cameron, P.; Eng, W.; Goldman, M.A.; Jablonski, E.; Kasha, D. et al.
Object Type:
Article
System:
The UNT Digital Library
AGS experiments, 1988, 1989, 1990
This report contains: experimental areas layout; table of beam parameters and fluxes; experiment schedule as run''; experiment long range schedule; a listing of experiments by number; two-page summaries of each experiment begin here, also ordered by number; publications of AGS experiments; and list of experimenters.
Date:
April 1, 1991
Creator:
Depken, J. C.
Object Type:
Report
System:
The UNT Digital Library
AIDS Update, Volume 6, Number 4, April 1991
Monthly newsletter describing news and events related to the AIDS Resource Center in Dallas, Texas as well as articles, letters, advice columns, and advertisements of interest to subscribers.
Date:
April 1991
Creator:
AIDS Resource Center (Dallas, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Air quality impact analysis in support of the new production reactor environmental impact statement
The Pacific Northwest Laboratory (PNL) conducted this air quality impact analysis for the US Department of Energy (DOE). The purpose of this work was to provide Argonne National Laboratory (ANL) with the required estimates of ground-level concentrations of five criteria air pollutants at the Hanford Site boundary from each of the stationary sources associated with the new production reactor (NPR) and its supporting facilities. The DOE proposes to provide new production capacity for the primary production of tritium and secondary production of plutonium to support the US nuclear weapons program. Three alternative reactor technologies are being considered by DOE: the light-water reactor, the low-temperature, heavy-water reactor, and the modular high-temperature, gas-cooled reactor. In this study, PNL provided estimates of the impacts of the proposed action on the ground-level concentration of the criteria air pollutants for each of the alternative technologies. The criteria pollutants were sulfur dioxide, nitrogen dioxide, carbon monoxide, total suspended particulates, and particulates with a diameter of less than 10 microns. Ground-level concentrations were estimated for the peak construction phase activities expected to occur in 1997 and for the operational phase activities beginning in the year 2000. Ground-level concentrations of the primary air pollutants were estimated to be …
Date:
April 1, 1991
Creator:
Hadley, D L
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 115, No. 43, Ed. 1 Thursday, April 4, 1991
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
April 4, 1991
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 115, No. 44, Ed. 1 Thursday, April 11, 1991
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
April 11, 1991
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 115, No. 45, Ed. 1 Thursday, April 18, 1991
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
April 18, 1991
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 115, No. 46, Ed. 1 Thursday, April 25, 1991
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
April 25, 1991
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 22, No. 27, Ed. 1 Wednesday, April 3, 1991
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
April 3, 1991
Creator:
Hutchison, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 22, No. 29, Ed. 1 Wednesday, April 10, 1991
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
April 10, 1991
Creator:
Hutchison, Mark
Object Type:
Newspaper
System:
The Portal to Texas History