{
  "name": "How the two feet drift apart with distance",
  "desc": "For distances from 1 ft to 10,000,000 ft, the same number of feet converted to meters with the U.S. survey foot and with the international foot, and the difference.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "The Yardstick Almanac",
  "url": "https://theyardstickalmanac.com/units/us-survey-foot/",
  "from": [
    "Foot, yard, inch and pound definitions: National Bureau of Standards and U.S. Coast and Geodetic Survey notice, Federal Register 24 FR 5348 (July 1, 1959)",
    "Exact relation 1 international foot = 0.999998 U.S. survey foot: NIST Special Publication 811 (2008), sec. B.6"
  ],
  "how": "Compiled by The Yardstick Almanac from the data listed",
  "data_by": [
    "Computed from the two foot definitions (24 FR 5348, 1959; NIST SP 811, 2008), 2026-11-01, CC BY 4.0"
  ]
}