Manuscripts
"Sinaloa River Bridge." File No. 331.1-973-(S), Part 1. Clearly there was a LONG gestation period for this bridge and above bridge. Same note on related files on cover. Perhaps ten letters and telegrams. Construction cost in was estimated at $361,360 U.S. Includes coded parts of a telegram (the underlined parts only are coded; this makes it very easy to pick out what the SP considered confidential) "...Use price for steel f.o.b. Gary three point four nine cents per pound... Consider price confidential." Etc. Detailed technical material on the bridge's construction
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"Mayo River Bridge." File No. 331.1-973-(M). From Five bland pieces, from C.R. Harding to Kruttschnitt, others
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection
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"Oronori River Bridge." File No. 331.1-973-(O), Part 1. From Cover also notes related files: "BRIDGES - SOUTHERN PACIFIC R.R. of MEXICO - GENERAL FILE, 331.1-973." Four or five bland letters about this bridge (Bridge 380-B), with two blueprints of bridge. Items all dated 1924 or 1925, even though file start date is "1912." Bridge was a replacement, replacing 795-foot trestle of river; estimated cost was $242,150 U.S
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection
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"Arroyo Grande Viaduct, South of Tepic, Mexico." File No. 331.1-973-(AG). In legal-sized folder. Note on cover: "Related Files: Bridges--SP de Mex--General File, 331.1-973. Includes correspondence re: trestles for this line." correspondence, original photo, and map/blueprint. 10 pieces total
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection
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"Southern Pacific de Mexico: Reconstruction of Sinaloa River Bridge." File No. SPdeM-331-1, Part 1. From (~1.5")
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection
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"Part I; from Classification: Roadway & Structures. Subject: Construction Work: Southern Pacific Railroad Company of Mexico." File No. 300.4-973; Part 1; From
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection
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(last item in box; in brown envelope.) File No. 310-973, Part 3. Loose items:
Manuscripts
These materials, consisting primarily of correspondence but also including maps, news clippings, photographs, and blueprints, are arranged and bound by topic according to the Southern Pacific's internal organizational schema. There are 160 individual bound items in these 23 boxes. Each grouping is in reverse chronological order as it was originally filed by SP de México administrators. Collection has material in English and Spanish.
mssSPdeMéxicocollection