http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Weekly report on Panama Canal construction and operations, and Canal Zone facilities. Reports include data on Canal excavation and construction; cargo in transit, by origin, destination, port, and selected commodity; Canal revenues, expenses, and employment; prices of supplies by item; lock and terminal operations; quarantines; and weather.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.