Manuscripts
"Mayo River Bridge." File No. 331.1-973-(M). From Five bland pieces, from C.R. Harding to Kruttschnitt, others
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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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"Culican River Bridge." File No. 331.1-973-(C). Part 1. From Easily the largest of the bridge files I've seen so far. Perhaps 50 pieces, several bulky blueprints. Includes specifications for bridge work, the bid for which was appears to have been won in 1923 by the Missouri Valley Bridge & Iron Company, for $102,500 U.S. However, later correspondence discusses the American Bridge Company as being involved. Some correspondence relates to an eight-month delay in getting the steel spans shipped to Mexico
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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"Mocorito River Bridge." File No. 331.1-973-(N), Part 1. From Slim folder of about 10-15 pieces, plus blueprint for bridge. Includes greatoriginal photograph of locomotive (a "shoo-fly") trying to cross this span under a full head of steam while it was under 21 inches of water. Letter attached to photo suggests raising the bridge ten feet. Good idea! Photo dated
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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"Bridge Over the Miravalles River, Between Tepic and La Quemada." File No. 331.1-973-(M). From General technical discussion about this bridge; perhaps ten items. Also three bulky folded blueprints. Notes in one letter that original plans have been drawn with English measurements which need to be completely converted to metric for actual construction
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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"Proposed Spur From Zorilla Station Northward to Boundary Line." File No. 310-973-(Z-L), Part I; 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