[Appendix B: Petrographic Photomicrographs]

Photomicrographs of core samples submitted for petrographic analysis from Moffat and Routt Counties in northwest Colorado collected for the Sand Wash Basin Drilling Project, which identified areas in the region favorable for uranium occurrences.
Date: September 1981
Creator: Carter, Thomas E. & Wayland, Thomas E.
System: The UNT Digital Library

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