Point of Beginning - October 2009 - (Page 34d)

Historic maps and modern technology help sur veyors locate earthen mounds on the Ellicott Line. BY ILTO DENNY, LS AN LARR CROWLEY, hD, BY MILTON DENNY, PLS, AND LARRY CROWLEY, PhD, PE AND ARR t the conclusion of the American Revolutionary War, the newly formed United States government struggled to define the nation’s boundaries—particularly in the south where other governments claimed land on the North American continent. The Treaty of San Lorenzo signed in 1795 between the United States and Spain contained two provisions that were important to these efforts. First, United States citizens had the right to use the Mississippi River to access the ocean through what was then Spanish t territory for commerce and transportation. This access was necessary to prevent secessionists in the western regions of the United States from breaking away from the newly created Union to align with Spain for that right. Second, an agreed boundary was established between the two nations. This boundary began at the Mississippi River on the 31st latitude and followed that parallel east to the Chattahoochee River, the current border between Alabama and Florida. The boundary continued south along the center of the Chattahoochee River until its junction with the Flint River. From there, the boundary headed east to the headwaters of the St. Mary’s River (the current boundary between Georgia and Florida) and then followed the middle of the St. Mary’s River until it emptied into the Atlantic Ocean. The treaty was ratified on April 25, 1796. Article III of the treaty set up a joint boundary commission with a commissioner and surveyor provided by both nations that was to meet in Natchez (in what The western portion of the southern boundary from Ellicott’s journal, 1814, second edition. 34d 34 34d OCTOBE OCTOBE 009 Po OCTOBER 2009 Point f Beginning www.pobonlliiine.com OCTOBER 2009 | Point of Beginning | www.pobonline.com C B 9 Point Beginning www.pobonline.com o eg n n ng ww pobon n c w p http://www.pobonline.com

Table of Contents for the Digital Edition of Point of Beginning - October 2009

Point of Beginning - October 2009
Web Site/Digital Edition Contents
Editor’s Points
Control on the Edge
Hurricane Watch
The Need for Speed
A Digital Desert
31 Degrees of Latitude
Taming the Wild GIS
The Magic Bullet
From the Ground Up
Professional Topography
Safety Sense
The Business Side
New & Notable
Classified Ads
Fun & Games
Ad Index

Point of Beginning - October 2009