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.

This article discusses the use of creased-plastic permeameters as an inexpensive way for students to estimate the hydraulic conductivity of local rock aquifers.

Article on early steps in proanthocyanidin biosynthesis in the model legume Medicago truncatula.

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.

This study represents the findings of research done on the Jones and Johnson farms, "situated in Johnson Branch Park in the north-central portion of the Ray Roberts Lake area." The purpose of the study was to offset future disturbances and damages to these farmsteads, and it includes "archival investigations, architectural documentation, oral-history interviews of long-time area residents and family members, farm equipment and artifact analyses, archaeological excavations, stabilization measures, and the development of interpretative exhibits for area schools, museums, and the general public" (p. i).

This article updates the second part of a compendium of phase change enthalpies published in 2010 to include the period 1880-2015.

This article updates a compendium of phase change enthalpies published in 2010 to include the period 1880-2015.

Article describing Joseph Black and his discovery of magnesia and fixed air. The authors toured Edinburgh, Scotland in search of locations important to Black, providing the reader with maps and historical information regarding the sites.

Article wherein James and Virginia Marshall visit Manaccan, England, to explore the site where titanium was first discovered. The area is described, as well as the man who discovered titanium, Reverend William Gregor.