Chemistry and Apparent Quality of Surface Water and Ground Water Associated with Coal Basins

Personnel of the Arkansas Mining and Mineral Resources Research Institute conducted preliminary investigations on the chemistry and quality of surface and ground water associated with 12 coal-bearing sub-basins in the Arkansas Valley coal field. The coal field is approximately 60 miles long and 33 miles wide but only in 12 areas coal is thick enough and has proper quality to be termed commercial. Both surface and underground sample sites were established in each of the sub-basins with some minor variations in four areas where not all types of sites could be located. Water was collected from 19 surface points and 19 underground points in the established areas. Both field and laboratory analyses were made and elemental contents are reported herein. In the main, the chemistry and water quality suggests that all water is suitable for agricultural and industrial uses. To obtain potable water, treatment must be made to reduce calcium, magnesium, sodium sulfate and iron. The mineral content of the water is due to its contact with coal-bearing zones and, as such, reflects the mineral content of the coal. However, it is recommended that additional studies on the petrography and geochemistry of the coal, overburden and underburden is in order. Also, it is recommended that at least one detailed study be made of one of the coal sub-basins where geologic parameters can be completely established with regard to hydrogeology. This report is an important first step in determining the character and quality of Arkansas coal which must be fully understood to fully utilize this important mineral resource

Technology utilization in a non-urban region: Further impact and technique of the Technology Use Studies Center, 2

The clientele served by the Technology Use Studies Center (TUSC) is updated. Manufacturing leads the list of client firms. The standard industrial classification (SIC) range of these firms is broad. Substantial numbers of college and university faculties are using TUSC services. Field operations inherent in the functions of dissemination and assistance are reviewed. Increasing emphasis among clientele is on environmental concerns and management. A record is provided of the institutions contacted and the extent of TUSC involvement with them, as well as TUSC's cooperation with agencies and organizations. The impact of TUSC and the NASA-sponsored Technology Utilization Program on other public agencies is discussed

A new Devonian pelecypod from Alaska and its bearing on pterioid phylogeny

One of the most problematic aspects of a recent revision of some New York Upper Devonian pelecypods (McAlester, 1962a) was the generic status and phylogenetic position of the well-known Chemung stage pterioid species Cornellites (formerly Pterinea) chemungensis (Conrad)...

Revision of the type species of the Ordovician nuculoid pelecypod genus Tancrediopsis

The type species of the early Paleozoic nuculoid pelecypod genus Tancrediopsis Beushausen, 1895, is shown to be Ctenodonta contracta Salter, 1859, from Middle Ordovician rocks of southern Quebec, Canada. This species is redescribed from a series of 189 well-preserved silicified specimens, about half of which were collected at the original type locality. This large sample permits the definition of limits of variation in the species and reveals previously unknown morphologic features, among which are strong pedal muscle scars and external escutcheonal perforations. The species is easily confused with closely related sympatric species of Tancrediopsis, and criteria are discussed for distinguishing it from these similar forms. The correct name for Ctenodonta contracta Salter is shown to be Tancrediopsis cuneata (Hall)

Coal Mining on Pitching Seams

A thesis submitted to the Department of Mining Engineering and the Faculty of the Graduate School in partial fulfillment of the requirements for the degree of Engineer of Mines