Detailed map of the port and city of Mazatlán, by SPM. Title: "Most Urgent Work for Improvement of Canal."

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  "Extension of Line From Mazatlán Station to Port of Mazatlán." File SPM 300-42, Part 1. From Apparently SPM had a concession in 1908 to build tiny stub line of 3.5 km from main line into Mazatlán, but as of 1933, the line hadn't been completed (only 2 km had been built and were in use). Inquiries were made about why not by Shoup, and Sloan answered that "undoubtedly the concession has lapsed, but it has not been forfeited on account of the fact that no notification of forfeiture has been given by the Department of Communications, the situation being fully understood in that Department. It is manifestly impossible to complete the balance of the line to the port of Mazatlán, on account of the fact that the location of the port has not been determined, there having been presented several projects involving different locations, none of which has been definitely accepted. While the Government is very anxious to complete the port works, I am advised that no construction will be carried on this year on account of lack of funds." (Sloan to Shoup, April 17, 1933). Need to see a history of Mazatlán to read more about development of that community. --Includes detailed bluelines of proposed terminal facilities at Mazatlán

  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.

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  Detailed maps showing route from Guaymas to Navojoa. Map is titled, "Proposed New Line from Hermosillo to Ures, and Ures to Campas."

  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.

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  Two items in folder titled "Taxes and Assessments, SPM 073." First brief item consists of various squabblings with Mexican govt. about importation duties. Notes shipments into Mazatlán, 1929 "Revolution," etc. Second item has its own cover: "Extraordinary Tax Law of Mexico." File SPM 073, Section 1. From (~.25"). Good. Material on a 1% tax on all gross receipts for 1930. SPM thinks that railroads are exempt from those taxes

  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.

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  Folder is titled "Monthly Reports (Miscellaneous), 200.42," but two items in folder are actually the SPM annual report for to the Mexican Department of Communications and Public Works. (~1.5") One copy in English, one in Spanish

  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.

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  [no cover, so no title.] In any case, it's file SPM 310-973, as noted on many individual pieces. [no part number noted.] Includes many relevant news clippings. Appears to be a miscellaneous collection of material?? Not sure. Discusses RR structures, $ owed SP by Mexican government, military troubles on line, possible construction in Mazatlán, etc. (~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.

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  "Account Between SPdeM and Mexican Telephone & Telegraph Company -- Covering Placing Their Wire on Poles of SPdeM." File No. SPM 312-22, Part 1. From (~1"). Detailed info on this being done from Nogales to Mazatlán, including copies of the actual agreement, correspondence, etc. The Ericsson Telephone Co. was the company involved, despite the title of this item on cover. Doesn't say if wires were actually run, but does end by granting full permission to do so

  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.

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