However , construction on the San Vicente Dam began in 1941 with anticipation of San Diego receiving water through the Colorado River Aqueduct .
Construction of the Colorado River Aqueduct had begun in 1933 and was completed in 1941 .
Construction on the San Vicente Dam began in 1941 with anticipation of San Diego receiving water through the Colorado River Aqueduct .
Construction of the Colorado River Aqueduct had begun in 1933 and was completed in 1941 .