Four men pose around a sign for the completed Vallejos Ditch System, Ditch No.5 USDA Special Improvement Project in San Pedro (Costilla County), Colorado. The sign reads: "USDA," "Vallejos Ditch System Ditch No. 5," "Special Project," "ASCS,"...
San Pedro (Colo.)--1960-1970.; Vallejos Ditch (Colo.)--1960-1970.; Signs (Notices).; Events.; Romero, George G.--Pictorial works.; Hispanic Americans--Colorado--Pictorial works.; Mexican Americans--Colorado--Pictorial works.; Signs and...