Black and white. Includes: data for water districts, fruit and vegetable shipping from 1926 to 1939, temperature and precipitation data for 1911-1939, statistics on all valley rail road lines, and town and county information including elevations and census information for 1920, 1930, and 1940.
.JPG, 1 Page, Scale in miles
Maps, UTRGV Digital Library, The University of Texas – Rio Grande Valley. Accessed via https://scholarworks.utrgv.edu/maps
Maps, Texas--Lower Rio Grande Valley, BW, 1940-1949, Statistics