Principal Meridians
and
Base Lines
Governing
The United States
Public Land Surveys

(Including detail of the three
California Meridians and their Inital Points)

 

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This map shows all of the Principal Meridians and Base Lines Governing The United States Public Land Surveys.

Image courtesy U.S. Department of the Interior-Bureau of Land Mangement
© 1988 Department of the Interior-Geological Survey, Reston Virginia-Public Domain

To see a larger image of this map, click on the link here: Be sure to hit the back button to return to this page.

The Principal Meridians and Base Lines of the United States Public Land Surveys

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The image below shows which portions of land within California and Nevada are controlled by which prinicipal meridian.

Humboldt Meridian (Top) Adopted 1853. Governing surveys - California. Initial Point - Latitude 40-25-02, Longitude 124-07-10   Mount Diablo Meridian (Middle) Adopted 1851. Governing surveys - California and Nevada. Initial Point - Latitude 37-52-54, Longitude 121-54-47   San Bernardino Meridian (Bottom) Adopted 1852. Governing surveys - California. Initial Point - Latitude 34-07-13, Longitude 116-55-48

California and Nevada image courtesy U.S. Department of the Interior-Bureau of Land Mangement
© 1988 Department of the Interior-Geological Survey, Reston Virginia - Public Domain

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To view details of other Meridians of the United States, click on the link here:

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http://www.blm.gov/wo/st/en/prog/more/cadastralsurvey/meridians.html

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