This BLM map depicts the principal meridians and baselines used in the surveyal of the United States. In the United States Public Land Survey System, a baseline is the principal east-west line that divides townships between north and south. The baseline meets its corresponding meridian at the point of origin, or initial point, for the land survey. For example, the baseline for Nebraska and Kansas is shared as the border for both states, at the 40th parallel. The Public Land Survey System (PLSS) is a method used in the United States to survey and identify land parcels, particularly for titles and deeds of rural, wild or undeveloped land. ...
Survey township, sometimes called Congressional township, as used by the United States Public Land Survey System, refers to a square unit of land, that is nominally six (U.S. Survey) miles (~9. ...
On the earth, a meridian is a north-south line between the North Pole and the South Pole. ...
Often, a baseline is marked by other features such as a road or boundary between counties. In Arizona, the baseline near the Phoenix metro area, is marked by Baseline Rd. In Michigan, the baseline for the Michigan Survey forms the boundary between the second and third tiers of counties and in many portions, discontinuous segments of road along the baseline are known as "Baseline Rd." Flag Seal Nickname: Valley of the Sun Location Location in Maricopa County and the state of Arizona Coordinates , Government Country State Counties United States Arizona Maricopa Incorporated February 25, 1881 Mayor Phil Gordon (D) Geographical characteristics Area City 1,230. ...
Toledo Strip is the name of a piece of disputed land (which includes present-day Toledo, Ohio) that was claimed by both the state of Ohio and the Michigan Territory of the United States in the early 19th century. ...
Canada
In Canadian land surveying, a base line is one of the many principal east-west lines that correspond to 4 tiers of townships (2 tiers north and 2 south). Each base line is about 24 miles apart, with the first base line at the 49th parallel, the Western US-Canadian border. It is therefore equivalent to the standard parallel in the US system. The 49th parallel of north latitude forms part of the International Boundary between Canada and the United States from Manitoba to British Columbia on the Canadian side and from Minnesota to Washington on the U.S. side. ...
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