Opportunity in the Magic Valley. Rio Grande Valley, Texas: Lower Rio Grande Valley Chamber of Commerce, 1948

Opportunity in the Magic Valley. Rio Grande Valley, Texas: Lower Rio Grande Valley Chamber of Commerce, 1948, Volume: Gilbert D778. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526937 Accessed December 27, 2025.