Diseños - Spanish/Mexican land grant map.
Work Progress Administration Abstract (WPA Abstract) – Historical details of a Spanish-Mexican land grant that was subsequently patented by the U. S. Government.
Diseños - Hand-drawn Spanish-Mexican map demonstrating the physical boundaries of land granted to Mexican citizens by the Spanish or Mexican.
Work Progress Administration Abstract (WPA Abstract) – A summary document prepared in 1938 under the Work Progress Administration program detailing the history of a rancho beginning with the Spanish-American land through the U.S. patenting process.
Diseños – U. S. National Archives; WPA Abstract – David Hornbeck, Ph.D.
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"La Bocha de la Cañada de Pinole, Diseños 490, GLO No. 125, Contra Costa County, and associated historical documents." (2018). Contra Costa County. 4.