Statistical Techniques Applied to Aerial Radiometric Surveys (STAARS): Principal Components Analysis User's Manual, Figure 8

Clear film copy of figure 8 meant to be laid over figure 7 in a report regarding computer techniques for analyzing aerial radiometric surveys. The figure outlines numbered segments (explained on p. 35/36 of the report) that highlight specific geologic features in the area highlighted by the report.
Date: January 1981
Creator: Koch, C. D.; Pirkle, F. L. & Schmidt, J. S.
System: The UNT Digital Library

Take Care of Texas Kids

Image with the text "Take Care of Texas Kids" written in a circle around an image of two dogs, one wearing an orange hat and the other wearing a green hat.
Date: May 2014
Creator: Texas Commission on Environmental Quality
System: The Portal to Texas History

How Can You Take Care of Texas?

An activity sheet for kids with a word search, picture finding game, and maze about air quality and taking care of the environment.
Date: September 2014
Creator: Take Care of Texas (Campaign)
System: The Portal to Texas History

Cross Sections on the Lines A-A. B-B. Etc. PL. LXVI, Showing Geological Structure of the Black and Grand Prairies.

Profiles to illustrate section lines on Plate 66, Geologic Map of the Black and Grand Prairies of Texas.
Date: 1899~
Creator: Geological Survey (U.S.)
System: The Portal to Texas History