 Complete the following phrase:  In 1819, San Bernardino de Sena Estancia was created near present-day San Bernardino as an outpost of nearby Mission San Gabriel Arcángel. Although sometimes referred to as an asistencia, or a mission on a small scale with all the requisites for a mission, and with Divine Service held regularly on days of obligation, except that it lacked a resident priest, San Bernardino was really just an estancia, or cattle ranch. In 1820, a -long irrigation ditch or zanja was dug using Native American labor to furnish water from Mill Creek, a major stream flowing out of the San Bernardinos, to the estancia and surrounding croplands. For the next twenty years, the Spanish  then the Californios under 