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Humboldt County · California

Utility History Research

Research category

Maintained by The Urban Road Association

Research category · Updated 8 September 2026
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Browse utility history across the library’s articles and source records. Categories describe research subjects, not legal or geographic boundaries.

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Articles and records#

  • 1952 PG&E right-of-way#

    HTML reference record for the 1952 Jay J. Smith and Mildred E. Smith PG&E right-of-way, reference 1202-03-0050.

    Archival record · 1952 · PG&E historical instrument
  • 1958 telephone right-of-way grant#

    HTML reference record for the 1958 Pacific Telephone and Telegraph right-of-way grant, recorded in Humboldt County Official Records 499/422.

    Archival record · 1958-06-12 · Pacific Telephone and Telegraph

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