Braceros worked in agriculture and maintained railroad tracks in more than 30 U.S. states. (Photo by Aaron Castañeda Gamez, 1944) Published September 30, 2009 at 288 × 196 in Braceros worked in agriculture and maintained railroad tracks in more than 30 U.S. states. (Photo by Aaron Castañeda Gamez, 1944) Braceros worked in agriculture and maintained railroad tracks in more than 30 U.S. states. (Photo by Aaron Castañeda Gamez, 1944) Braceros worked in agriculture and maintained railroad tracks in more than 30 U.S. states. (Photo by Aaron Castañeda Gamez, 1944)