21. San Antonio Missions' irrigation systems: plan of the acequias (irrigation ditches) of the Mission San Antonio de Valero
24. San Antonio Missions' irrigation systems: plan of the acequias (irrigation ditches) of the Missions San Juan Capistrano and San Francisco de la Espada
25. San Antonio Missions' irrigation systems: plan of the acequias (irrigation ditches) of the Mission San José y San Miguel de Aguayo
26. San Antonio Missions' irrigation systems: plan of the acequias (irrigation ditches) of the Mission Concepción