Scope and Content One untitled pocket expanding folder containing: 1. Rancho San Pedro, typewritten copy of the boundary survey 2. Rancho Los Cerritos, typewritten copy of field notes of the boundary survey 3. Rancho Los Alamitos, certified copy from the General Land Office, Washington, DC, March 27, 1939, photostat copies of confirmation of title, etc, Dec. 1873, and of the field notes of survey by George H. Thompson 4. Rancho Las Bolsas, certified copy from...

Scope and Content Untitled single pocket expanding folder containing the following documents:1. Bound negative photostats, "Henry Hancock field book 7," images of 79 pp (undated) 2. Bound negative photostats, "Original photostat of pages from Hancock's field book 12, pages 1 to 57, incl, 78 & 79, 84 to 91, incl Hancock's field book 73, pages 40 to 45 incl, 51 to 53 incl.," (undated) 3A. Bound negative photostats, "Henry Hancock field book 42," images of 99 pp (undated)...

Scope and Content Single pocket expanding folder containing ten envelopes, C-1 through C-10, each is labeled as "Book 'C,'" and each containing celluloid prints. C-1. "Cerritos Slough location and topography, by Clark F. Miller, 1907," blueprint and two thin paper prints (1939)C-2. "Contours easterly of San Gabriel River, by A.L. Sonderegger, 1905-06," blueprint and blueline print (undated) C-3. "Traverse of three sloughs, by Henry Hancock, Easterly of San Gabriel River,"...

Scope and Content Single pocket expanding folder containing ten envelopes, C-11 through C-22, each is labeled as "Book 'C,'" and each containing celluloid prints.C-11. "Ordinary high tide line, and mouth of San Gabriel River, by Los Angeles County Surveyor, 1897," blueprint and two negative photostats (undated)C-12. "Coast line and sloughs easterly of the San Gabriel River, Lippincott and Parker, 1904," blueprint and one print (undated)C-13. "US Engineer's map of 1908,"...