ARTICLE V. 



Determination of the Longitude of several Stations near the Northern 

 Boundary of Ohio, from Transits of the Moon, and Moon-culmi- 

 nating Stars, observed in 1835, hy Andrew Talcott, M. A. P. S, 

 late Capt. If. S. Engineers. By Sears C. Walker, M. A. P. S. 

 Read March 2, 1838. 



SECTION I. 



In the summer of 1835, Captain Talcott was employed by the go- 

 vernment of the United States to make a series of observations near 

 the southern boundary of Michigan. The object of this mission was 

 to settle the long disputed question of the Northern Boundary of Ohio, 

 which, on the occasion of the proposed admission of Michigan into the 

 Union, had been made the subject of a controversy, that threatened, for 

 a while, to disturb the peaceful relations between the neighbouring 

 states. Indeed, such was the pertinacity of the rival claimants, (hat 

 an armed force was arrayed on each side, and a nice geographical ques- 

 tion was on the point of being decided by a tribunal, of all others, least 

 competent to do justice to its merits. The cause of this controversy, 

 which fortunately terminated without fatal consequences, may no doubt 

 be traced to an error in the map used by the parties to the original 

 charter of Ohio. In this charter it was ordained that the northern 

 boundary of Ohio should be the line running due east from the southern- 

 most point of Lake Michigan, and terminating in the southernmost 



