Photograph of blue grama at Camp Rice Arroyo Watershed.

Photograph of blue grama grass drilled with a SCS drill in June, 1948. 1948 and 1949 were dry years and little grass showed up. In 1950, good rains fell and now grass covered borrow ditch of water spreading terraces. Some weeping lovegrass and Lehman's lovegrass are present. TX-47-310.

A short history by Dr. Felix P. Miller about the first X-ray machine at the University of Texas in 1906 and 1907. Miller discusses the invention of the X-ray, his involvement in the development of UT's first machine, and its impact.

Annual journal of the Texas Archeological and Paleontological Society documenting research and findings of members as well as activities of the organization.

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mrs. John L. McClelland, (left) 307 NW 17th, has as her houseguest her sister, Mrs. C.D. Johnson, El Paso, Texas."

Topographic quadrangle map of El Paso, Texas, and the surrounding area, showing populated areas, boundaries, water bodies, railroads, and roads, with relief shown by contours and spot heights. Location, coverage, and sectionalized township diagrams are included in the lower-right corner. Scale 1:250,000 On back is a map of El Paso, Texas, and the vicinity, showing roads, bodies of water, and landmarks. Scale ca. 1:40,000

Letter from John J. Herrera, LULAC District 8 Governor, to Waldo Ximenes, LULAC Executive Secretary, dated June 1, 1950. This is a notification of delegates names from LULAC Pasadena Council Number 185 who will attend the National Convention in El Paso, Texas.

Onionskin paper carbon copy of a letter from John J. Herrera, LULAC First National Vice-President, to A. F. Mireles, Managing Editor and Publisher of the El Paso LULAC Bulletin, dated August 11, 1950. A request for information about the postal permission to publish and mail the El Paso LULAC Bulletin, as the Houston LULAC Council is considering publication of a Houston LULAC bulletin.

El Paso LULAC Council Number 132 Monthly Bulletin, July, 1950, Volume II, Number 18. Advertising and LULAC information and articles about the El Paso LULAC area.

Letter from Luciano Santoscoy, District Governor, El Paso LULAC Council Number 132, El Paso, Texas, to John J. Herrera, LULAC First National Vice-President, dated September 6, 1950. This letter concerns mailing booklets and using a permit to get a reduced postal rate.