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New Pedrara Mexican Onyx Company Records
MSS 0828  
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COLLECTION

Box 1, Folder 1

Renouncement of Fortunata and Eureka silver mines by George Foster 1892 January 19

General note

Two signed documents embossed with the seal of Baja California Norte, in which Foster renounces his ownership of two silver mines in Baja California.
Box 1, Folder 2

Letters - Samuel Franklin Emmons, Washington, D.C., to George Foster 1892-1893

General note

Two letters from Emmons, president of the New Pedrara Onyx Company, authorizing George Foster to act as the company's agent in Baja California, and other business concerns. Mentions a shipment of onyx to the 1893 Chicago World's Fair.
Box 1, Folder 3

Letters - William Denton and George Foster, San Diego, with Matías Romero, Washington, D.C. 1893 October

General note

Two letters from Denton and Foster describing challenges of geological prospecting (the terrain and legal troubles), and requesting help obtaining mineral rights in Baja California; and Romero's response.
Box 1, Folder 4

Reports by William Denton 1893

General note

Four reports by William Denton describing mineral deposits and mines near Punta Final, Baja California (including survey of San Francisco mine), and geological specimens from Cedros Island.
Oversize MC-024, Folder 07

Denton, William. Mapa de un terreno mineral llamado Las Minas del Punto Final; Mapa de la mina San Francisco de la groupa [sic] de Minas del Punto Final 1893 August 26

Mapa de un terreno mineral llamado Las Minas del Punto Final; Mapa de la mina San Francisco de la groupa [sic] de Minas del Punto Final: 1893 August 26

General note

Manuscript map on oilcloth of two Baja California mining properties. Solicitado por el Señor Santiago Bareño. 34.5 by 15.5 inches.
Oversize MC-024, Folder 07

Untitled manuscript map showing part of northern Baja California circa 1893

Manuscript map showing part of northern Baja California: circa 1893

General note

Manuscript map on oilcloth depicting an area approximately between the 28th and 31st parallel. Red ink numbers along coasts likely record soundings. Place names noted: San Quintín, El Rosario, Ballenas Channel, Cedros Island (mislabeled Cerros Island), and a few others. Scale undetermined. 24 by 18.5 inches.
Box 1, Folder 5

Lower California Onyx Company investment brochure fragment circa 1910

Box 1, Folder 6

Letters - Correspondence between Robert B. Moran, Nathan Moran, and Thomas H. Frothingham 1925

General note

Correspondence primarily between petroleum geologist Robert Breck Moran, Nathan Moran, and Thomas H. Frothingham ("Don Tomas") regarding banking, planning, and expenses for Baja California expeditions. Frothingham writes on American Consular Service letterhead from Guaymas, Mexico; other letters originate in San Diego, Los Angeles, and San Francisco. Other correspondents include a J. P. Brown and B. M. Elliott.
Box 1, Folder 7

Letter - Kathleen Loeser, San Francisco, to Robert Moran 1937 October 27

General note

Letter regarding Loeser family's mining documents.