The first principal meridian is a meridian that began at the junction of the Ohio River and Great Miami River. It extends north on the boundary line between the states of Ohio and Indiana, and roughly approximates to the meridian of longitude 84° 48′ 50″ west from Greenwich. The ranges of the public surveys in the state of Ohio, west of the Scioto River, are (in part) numbered from this meridian.
See also
References
- While civil boundaries and rivers can "move," surveying meridians and monuments remain "fixed."
- Raymond, William Galt (1914). Plane Surveying for Use in the Classroom and Field (via Internet Archive). New York: American Book Company.
- Linklater, Andro (2002). Measuring America. Penguin Publishing. ISBN 9780802713964.
External links
- "Cadastral Survey". U.S. Bureau of Land Management. Archived from the original on 2013-02-22. Retrieved 2012-09-29.
- "Cadastral Survey, Principal Meridians and Base Lines". U.S. Bureau of Land Management. Archived from the original on 2012-10-18. Retrieved 2012-09-29.
- "First Principal Meridian, Monroeville, IN". Principal Meridian Project. Retrieved 2012-09-29.
- "First Principal Meridian". The Center for Land Use Interpretation. Retrieved 2012-09-29.
| Principal meridians of the United States | |
|---|---|
| Numbered meridians | |
| Named meridians | |
| List of principal and guide meridians and base lines of the United States | |
40°59′21.74″N 84°48′11.69″W / 40.9893722°N 84.8032472°W / 40.9893722; -84.8032472
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