Resource Type

The Gas That Wouldn't Burn (open access)

The Gas That Wouldn't Burn

Article describing how Alpha Chi Sigma members were involved with the events described on a pictured Kansas historical marker relating to the discovery of helium in a deposit of natural gas.
Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Rediscovery of the Elements: Joseph Priestley (open access)

Rediscovery of the Elements: Joseph Priestley

Article describing the career and discoveries of Joseph Priestley. Tourist information regarding locations important to Priestley's life are visited and discussed.
Date: Summer 2005
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Rediscovery of the Elements: Helium (open access)

Rediscovery of the Elements: Helium

Article describing the discovery of helium in the sun and on Earth via spectroscopy. Tourist information is included for areas significant to those involved.
Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Rediscovery of the Elements: Aluminum (open access)

Rediscovery of the Elements: Aluminum

Article describing the history of aluminum, from its use in alum to its isolation. Tourist information is given regarding locations pertinent to aluminum.
Date: Summer 2006
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
The 2011 Beta Eta Spring Banquet. Celebration of Rediscovery of the Elements (open access)

The 2011 Beta Eta Spring Banquet. Celebration of Rediscovery of the Elements

Article describing an Eta Beta celebration of the completion of James and Virginia Marshall's "Rediscovery of the Elements." Photographs from the event are included. Three separate articles appear on the right side of the page.
Date: Summer 2011
Creator: Marshall, James L., 1940-
System: The UNT Digital Library
Pharmacy at Quedlinburg (open access)

Pharmacy at Quedlinburg

Front cover of the spring 2012 issue of The Hexagon, featuring the pharmacy at Quedlinburg, Germany, where Martin Heinrich Klaproth was trained. The three story building is pinkish with white trim around its windows. A triangular stone piece with the image of a flying bird sits on the third floor over the entrance. The inside cover of the magazine contains a table of contents, staff listings, an editorial, and a description of the building.
Date: Spring 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Helium Monument (open access)

Helium Monument

Front cover of the summer 2012 issue of The Hexagon, which features the Helium Monument in Amarillo, Texas. The visible portion of this monument is a metal sculpture of a helium molecule hanging from the center of a structure of metal bars. The inside cover contains a table of contents, a staff list, an editorial, and a description of the Helium Monument.
Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay (open access)

Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay

Article describing the discovery of argon, helium, and other inert gases by Lord Rayleigh, Sir William Ramsay, and other collaborators. Ramsay also characterized the noble gases and classified them within the structure of the Periodic Table of Elements.
Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Ring of Fire (open access)

Ring of Fire

Front cover of the fall 2012 issue of The Hexagon, which features an image of the "ring of fire" that occurred during the annular eclipse on May 20, 2012. The photograph was taken in Brownfield, Texas a few minutes before sunset. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.
Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Rediscovery of the Elements: Columbium and Tantalum (open access)

Rediscovery of the Elements: Columbium and Tantalum

Article describing the discovery of columbium and tantalum. Tourist information regarding locations significant to these discoveries are included.
Date: Summer 2013
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Saguaro Cactus and Joshua Trees (open access)

Saguaro Cactus and Joshua Trees

Front cover of the spring 2013 issue of The Hexagon, which features an image of a saguaro cactus and joshua trees at a location in northwest Arizona along highway US 93. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.
Date: Spring 2013
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
System: The UNT Digital Library
Controlling Gully Erosion with Earth Dams in North-Central Texas (open access)

Controlling Gully Erosion with Earth Dams in North-Central Texas

This article describes the use of earth dams for controlling gully erosion in part of the Eastern Cross Timbers of North-Central Texas.
Date: January 2001
Creator: Hudak, Paul F. & Chadbourne, John
System: The UNT Digital Library
Lightning, Downed Power Line Form Intriguing Rock Structure in Denton, Texas (open access)

Lightning, Downed Power Line Form Intriguing Rock Structure in Denton, Texas

This article describes a vitrified soil structure, formed by atmospheric and human activity, possessing characteristics of igneous and metamorphic rocks.
Date: March 2003
Creator: Hudak, Paul F. & Maxey, George
System: The UNT Digital Library
Geophysical Prospecting for Oil and Gas Well Effluent (open access)

Geophysical Prospecting for Oil and Gas Well Effluent

This article describes the evaluation of the utility of an earth resistivity system for detecting drilling effluent at a site in the Trinity Group outcrop zone.
Date: December 1997
Creator: Hudak, Paul F. & Maxey, George
System: The UNT Digital Library
A Graben in the Eagle Ford Shale, Lewisville, Texas (open access)

A Graben in the Eagle Ford Shale, Lewisville, Texas

This article describes a graben bounded by normal faults in an outcrop of the Eagle Ford formation within Denton County.
Date: April 1999
Creator: Hudak, Paul F.
System: The UNT Digital Library
Oil Production and Groundwater Quality in the Edwards-Trinity Plateau Aquifer, Texas (open access)

Oil Production and Groundwater Quality in the Edwards-Trinity Plateau Aquifer, Texas

This article suggests that evaporite dissolution and oilfield brine locally impact the Edwards-Trinity Plateau Aquifer, but the problem is not regionally pervasive.
Date: November 12, 2003
Creator: Hudak, Paul F.
System: The UNT Digital Library
A Comprehensive Analysis of Groundwater Quality in the Barnett Shale Region (open access)

A Comprehensive Analysis of Groundwater Quality in the Barnett Shale Region

This article presents an analysis of 550 groundwater samples collected from private and public supply water wells drawing from aquifers overlying the Barnett shale formation of Texas.
Date: June 16, 2015
Creator: Hildenbrand, Zacariah Louis; Carlton Jr., Doug D.; Fontenot, Brian; Meik, Jesse M.; Walton, Jayme; Taylor, Josh et al.
System: The UNT Digital Library
A determination of the spatial concordance between Lyme disease incidence and habitat probability of its primary vector Ixodes scapularis (black-legged tick) (open access)

A determination of the spatial concordance between Lyme disease incidence and habitat probability of its primary vector Ixodes scapularis (black-legged tick)

This article involves mapping the probability of occurrence that the disease vector exists in the environment, mapping the incidence of Lyme disease in the human population and examining the spatial concordance between the probability map and incidence map.
Date: November 1, 2014
Creator: Atkinson, Samuel F.; Sarkar, Sahotra; Avina, Aldo; Schuermann, Jim A. & Williamson, Phillip C.
System: The UNT Digital Library
Modelling spatial concordance between Rocky Mountain spotted fever disease incidence and habitat probability of its vector Dermacentor variabilis (American dog tick) (open access)

Modelling spatial concordance between Rocky Mountain spotted fever disease incidence and habitat probability of its vector Dermacentor variabilis (American dog tick)

This article reports on the development and comparison of two maps of Texas related to Rocky Mountain spotted fever.
Date: November 1, 2012
Creator: Atkinson, Samuel F.; Sarkar, Sahotra; Avina, Aldo; Schuermann, Jim A. & Williamson, Phillip C.
System: The UNT Digital Library
Ion Beam Analysis of Microcrystalline Quartz Artifacts from the Reed Mound Site, Delaware County, Oklahoma (open access)

Ion Beam Analysis of Microcrystalline Quartz Artifacts from the Reed Mound Site, Delaware County, Oklahoma

This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings evaluates the potential of particle induced X-ray emission spectrometry as a tool for future Ozarks chert provenance studies based on its ability to facilitate discrimination of Ozarks chert materials from different geological formations and identification of discrete groups of artifacts from the same geological formation.
Date: June 18, 2015
Creator: Younger-Mertz, S. B.; Manuel, J. E.; Reinert, Tilo; Szilasi, S. Z.; Hammerstedt, S. W. & Glass, Gary A.
System: The UNT Digital Library
Borrelia, Ehrlichia, and Rickettsia spp. in Ticks Removed from Persons, Texas, USA (open access)

Borrelia, Ehrlichia, and Rickettsia spp. in Ticks Removed from Persons, Texas, USA

This article analyzes the frequency and identity of pathogens and bacterial agents in ticks removed from humans and subsequently submitted to the Texas Department of State Health Services, Zoonosis Control Program, from October 1, 2004, through September 30, 2008.
Date: March 10, 2010
Creator: Williamson, Phillip C.; Billingsley, Peggy M.; Teltow, Glenna J.; Seals, Janel P.; Turnbough, Meredith A. & Atkinson, Samuel F.
System: The UNT Digital Library
Archaeology, Heritage, and Moral Terrains: Two Cases from the Mesa Verde Region (open access)

Archaeology, Heritage, and Moral Terrains: Two Cases from the Mesa Verde Region

This article applies an environmental justice lens to two archaeological research narratives, one centering on chemical analysis of biomolecular artifact residues and the other on paleohydrology and Pueblo farming.
Date: September 14, 2016
Creator: Wolverton, Steven J.; Figueroa, Robert & Swentzell, Porter
System: The UNT Digital Library
Gray Wolf Exposure to Emerging Vector-Borne Diseases in Wisconsin with Comparison to Domestic Dogs and Humans (open access)

Gray Wolf Exposure to Emerging Vector-Borne Diseases in Wisconsin with Comparison to Domestic Dogs and Humans

This article contains the evaluation of temporal and geographic patterns of exposure to these four vector-borne diseases in Wisconsin as the Gray Wolf population expanded between 1985 and 2011.
Date: November 29, 2016
Creator: Jara Miller, Rocio F.; Wydeven, Adrian P. & Samuel, Michael D.
System: The UNT Digital Library
Low neutral genetic diversity in isolated Greater Sage-Grouse (Centrocercus urophasianus) populations in northwest Wyoming (open access)

Low neutral genetic diversity in isolated Greater Sage-Grouse (Centrocercus urophasianus) populations in northwest Wyoming

This article contains an analysis of 16 microstatellite loci from 300 Greater Sage-Grouse individuals to assess genetic structure among populations in Wyoming and southeast Montana.
Date: March 26, 2014
Creator: Schulwitz, Sarah; Bedrosian, Bryan & Johnson, Jeff A.
System: The UNT Digital Library