Robidoux (generally spelled "Rubidoux" in the Riverside area) had previously bought Rancho San Jacinto y San Gorgonio from James (Santiago) Johnson in 1845. After California was ceded to the United States, a claim for Rancho Jurupa was filed by Louis Robidoux with the Public Land Commission in 1852, and Robidoux received a US patent for this  portion of Rancho Jurupa in 1876. In November 1869, the California Silk Center Association was formed for the purpose of growing silkworms, and mulberry trees, citrus fruits, and grapes; it purchased over  of the Rubidoux Rancho for its enterprise.
Robidoux (typically spelled "Rubidoux" in the Riverside region) had previously purchased Rancho San Jacinto y San Gorgonio from James (Santiago) Johnson in 1845. Following California's transfer to the United States, Louis Robidoux filed a claim for Rancho Jurupa with the Public Land Commission in 1852 and received a US patent for this portion in 1876. In November 1869, the California Silk Center Association was formed to cultivate silkworms, mulberry trees, citrus fruits, and grapes; it acquired a substantial section of the Rubidoux Rancho for its business.