Archibald F. Clifford from North Ogden, Utah and St. George Morris from Salt Lake City, Utah arrived in the mission on April 14, 1921 (Calimis 8:13). Elders Allred and Clifford laboring in Colton, California began the first Sunday School on May 15, 1921. Since then the attendance has been steadily increasing (Calimis 11:3).