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List of principal and guide meridians and base lines of the United States

Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS.

The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.

List of meridians

Primarily from the United States Government Printing Office Style Manual.[1] State names usually signify only parts of each listed state, unless otherwise indicated.

Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.

Principal Meridians

Guide Meridians

Ohio Lands

Some parts of the Ohio Lands (now Ohio) were laid out in survey townships, but based on other points not listed above:

See also

References

  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf "18. Geologic Terms and Geographic Divisions". Style Manual (29th ed.). United States: Government Printing Office. 2000. p. 346. Archived from the original on 2008-08-31. GPO stock number 021-000-00178-3 (paper).
  2. ^ a b c d e f "pob". blm.gov. Archived from the original on 2013-02-22. Retrieved 2012-01-03.
  3. ^ a b "5thpmnorth". blm.gov. Archived from the original on 2011-12-13. Retrieved 2012-01-03.
  4. ^ a b c "6pm". blm.gov. Archived from the original on 2012-08-14. Retrieved 2012-01-03.
  5. ^ a b c d e f g h i "Part 5: Public Land Survey System". National Mapping Program Technical Instructions: Standards for USGS and USDA Forest Service Single Edition Quadrangle Maps (PDF) (Draft for Implementation ed.). March 2003. pp. 5A-2–5A-4. Archived from the original (PDF) on 2007-01-03. Retrieved 2008-10-31.
  6. ^ a b c d e f g h "missalalou". blm.gov. Archived from the original on 2013-01-05. Retrieved 2012-01-03.
  7. ^ a b "oklahoma". blm.gov. Archived from the original on 2013-02-22. Retrieved 2012-01-03.
  8. ^ a b c d e "alaska". blm.gov. Archived from the original on 2011-12-20. Retrieved 2012-01-03.
  9. ^ a b "arizona". blm.gov. Archived from the original on 2011-12-10. Retrieved 2012-01-03.
  10. ^ a b c "Calneva". blm.gov. Archived from the original on 2011-04-26. Retrieved 2012-01-03.
  11. ^ "Monatana". blm.gov. Archived from the original on 2015-03-15. Retrieved 2012-01-03.
  12. ^ Hubbard, Bill, Jr. (2009) "Navajo meridian, 1869" American Boundaries: The nation, the states, the rectangular survey University of Chicago Press, Chicago, p. 338, ISBN 978-0-226-35591-7
  13. ^ "newmexico". blm.gov. Archived from the original on 2011-12-10. Retrieved 2012-01-03.
  14. ^ a b "utah". blm.gov. Archived from the original on 2010-05-18. Retrieved 2012-01-03.
  15. ^ "orewash". blm.gov.
  16. ^ Bruce Ayers, Professional Land Surveyor, "Surveying terms: Willamette Meridian", official website, Bellingham, Washington: Ayers Consulting, retrieved February 25, 2021