Where do you find older plats and field notes for research?

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Starting research on a rural tract with a long chain of title. What sources do you check?

Asked October 25, 2026

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Common sources, depending on the state [1]:

  • County recorder or register of deeds: deeds, plats, easements and surveys of record.
  • County surveyor or engineer: corner records, survey filings and road plans.
  • State archives: older field notes, government land office records, and early road and railroad maps.
  • BLM General Land Office records, for PLSS states: original township plats and field notes.
  • State DOT: right-of-way plans and control.
  • Utilities and railroads: right-of-way maps.
  • Other surveyors: many firms share or sell historical records. Professional societies can help connect you.
  • Title companies: chain-of-title reports.

Keep a research log of sources and dates. It speeds up the field work and supports your conclusions.

General information only. Answers here are not a survey or legal advice, and no one here can tell you where your boundary is. For your property, hire a licensed land surveyor in your state; for legal questions, a real-estate attorney.

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