{
  "name": "Roman legion: the supply ceiling, assumption by assumption",
  "desc": "The supply ceiling of a legion's 4,200 foot soldiers marching on the grain they carried, one assumption per row with its source, and the result in days.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Treaties & Tradeoffs",
  "url": "https://treatiesandtradeoffs.com/logistics/roman-legion/",
  "from": [
    "Cicero, Tusculan Disputations, Book 2, ch. 16, trans. C. D. Yonge (1877)",
    "Polybius, Histories 6.20, 6.39 and 6.40, trans. E. S. Shuckburgh (1889)",
    "William Smith, A Smaller Dictionary of Greek and Roman Antiquities, 12th ed. (1884), Table IX",
    "USDA ERS, Agricultural Handbook No. 697 (1992)",
    "Julius Caesar, The Gallic War 1.16, trans. W. A. McDevitte"
  ],
  "how": "Compiled by Treaties & Tradeoffs from the data listed",
  "data_by": [
    "Cicero, Tusculan Disputations, trans. C. D. Yonge (1877), Project Gutenberg eBook #14988, accessed 2026-11-02, public domain",
    "Polybius, Histories, trans. E. S. Shuckburgh (1889), Project Gutenberg eBook #44125, accessed 2026-11-02, public domain",
    "William Smith, A Smaller Dictionary of Greek and Roman Antiquities, 12th ed. (1884), Table IX, Project Gutenberg eBook #65909, accessed 2026-11-02, public domain",
    "USDA ERS, Agricultural Handbook No. 697 (1992), accessed 2026-11-02, U.S. government work",
    "Julius Caesar, The Gallic War, trans. W. A. McDevitte, Project Gutenberg eBook #10657, accessed 2026-11-02, public domain in the US, EU status of the translation not established; fact restated, not quoted"
  ]
}