With the cession of California to the United States following the Mexican–American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored. As required by the Land Act of 1851, a claim for Rancho Suscol was filed with the Public Land Commission in 1853. The land grant was confirmed by the Land Commission and on appeal by the District Court,United States. District Court (California : Northern District) 318Finding Aid to the Documents Pertaining to the Adjudication of Private Land Claims in California, circa 1852-1892 but rejected by the US Supreme Court in 1862 on want of authority in the Mexican government to make it.United States v. Vallejo, 66 U.S. 1 Black 541 541 (1861)
