Shield-shaped 12 x 12 wooden plaque; black and gold shield design reads: Mexicali, Tierra Calida (Warm Earth) Plate reads: La gente es la mayor riqueza de nuestro Municipio (which translates to People are the greatest wealth of our town). Roberto Mazon Noriega, Presidente Municipal, VII Ayuntamiento, 1971-1974. Donated 2/19/74 by Firemen from Mexicali who were training in San Diego.