Geographic information systems (GIS) technology was used to analyze factors influencing habitat use by an endangered species, the red-cockaded woodpecker. The study area was the western part of the Raven Ranger District of the Sam Houston National Forest, Texas. The factors considered included both structural characteristics and spatial relationships among stands of trees in the habitat.

Since the East Texas area has many minerals in the categories which yield semiprecious stones of commercial value--jasper, wood agate, wood opal, and silicified stone, the author undertook this study to determine: (1) the extent which these minerals could be utilized as sources for gems; (2) the equipment necessary for cutting and polishing the stones; and (3) the techniques for finishing the gems.

The problem this investigation deals with is how The Echo functions as a communication vehicle within the TDC. Information was gathered through visits, interviews and a questionnaire. Organization is as follows: Chapter I, introduction, Chapter II, history and development; Chapter III, analysis of questionnaire data; Chapter IV, content; Chapter V, summary and conclusions. The study found that The Echo is often the sole source of TDC information to inmates, frequently aids administrators in providing inmates with information, provides an outlet for creativity, and enjoys little censorship. The report concludes that The Echo is an effective information medium, and that future study is possible in the role of the prison press in influencing rehabilitation, its contact with the outside public, and in inmate-produced magazines and journals.

The main purpose of this study is to determine some of the effects that the school laws passed by the Fifty-First Legislature will have upon the schools of Walker County.

The problem of this study was to determine the relationship between self-concept, expressed sexual knowledge, and attitude toward sex education of a group of experienced elementary teachers. A second dimension of the problem was to investigate the relationship of the three variables above with certain other factors that could possibly influence the effectiveness of the elementary teacher of sex education. These factors were age of the teacher, sex of the teacher ,grade level of teaching, educational level of the teacher, teaching experience, marital status of the teacher, number of siblings of the teacher, and church preference or affiliation of the teacher.