In January 1885, Collier, Graham, and Heald made a map of Blocks K, L and M of the Elsinore area, recording the maps with San Diego County in October of that year. In February 1885, Collier and Graham purchased Franklin Heald's one-third interest in the 2,600 acres of unsold land south-east of Corydon Road. Heald took full interest in the unsold land to the north west of the Corydon Road line.
Collier and Graham made a map of the Wildomar townsite in December 1885, recording it with San Diego County on November 20, 1886.
View the Wildomar, Ca Wikipedia.