Mamawal, Mark C.2013-07-122013-07-121988http://hdl.handle.net/10605/48589Undated image of unidentified men looking at equipment. This image may have been taken in 1988.The images in this collection are for study purposes, teaching, classroom projection and research only. To use these digital files in any form, an attribution of "Courtesy of the Southwest Collection/Special Collections Library" must accompany the image.Texas Tech University--Faculty.Image