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Map and Aerial Photograph Collections

General Land Office/BLM Public Land Survey

General Land Office Records  U.S. Bureau of Land Management
Search for Federal Land Patents, Cadastral Survey Plats and Field Notes, Land Status Records.

The library has on microfiche
Township Plat Maps of the U.S. [California only]
(BLM/General Land Office)  aka California Land Survey Maps micro W 204 (microfiche)
   •  Fiche are arranged by meridian, then by township and range.  Fresno is in the Mount Diablo Meridian.
   •  California Land Grants fiche are filed alphabetically after the meridians.
   •  Maps only: no field notes.

Historical atlas of California
1st floor, Maps atlas case 1  G 1526 .S1 B4 1974
  Lists of Mexican Land Grants by county

Map of Principal Meridians & Baselines, California and Nevada

Cadastral Survey Tools