South, Range 0 West". Also, land north of the Watson Line near the Georgia border was not subject to the standard U.S. section, township and range designations, since the State of Georgia had claimed and laid out counties and surveyed its public lands south to that line into what eventually became part of the State of Florida. The exact location of the Georgia–Florida state line was ultimately confirmed by an Act of Congress, approved April 9, 1872. See also Canadian Dominion Land Survey References Further reading Johnson, Hildegard Binder. Order Upon the Land: The U. S. Rectangular Land Survey and the Upper Mississippi Country. Oxford University Press, 1976. Surveying of the United States Political divisions of the United States Units of area Customary units of measurement in the United States