{
  "name": "Shipping container history: the lineage we could document, 1929–1971",
  "desc": "Steps from loaded rail cars at sea (1929, by the Supreme Court's account) to containers on trucks at Newport (1971), one claim per row, with who gives the account, the kind of evidence and the source.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Treaties & Tradeoffs",
  "url": "https://treatiesandtradeoffs.com/ideas/shipping-container/",
  "from": [],
  "how": "",
  "data_by": [
    "United States v. Pennsylvania R. Co., 323 U.S. 612 (1945), accessed 2026-11-02, public domain (U.S. court opinion)",
    "United States v. Seatrain Lines, 329 U.S. 424 (1947), accessed 2026-11-02, public domain (U.S. court opinion)",
    "U.S. Army photographs, National Archives 111-CCV-154-CC46304, CC43714, CC78800 (captions), accessed 2026-11-02, public domain (U.S. federal government work)",
    "Marc Levinson, The Box (Princeton University Press, 2006), bibliographic record only"
  ]
}