71 



POSITIONS IN THE CITY OF 

 FULTON, ILLINOIS. 



North Latitude. 



Longitude West of Greenwich. 



In arc. 



In Time. 



1. Intersection of the middle of 

 Cherry Street, with the middle 

 of Base Street, _ _ . _ . 



2. Dome of the Dement Hotel, 



3. Steeple of the Congregational 

 Church, -------- 



4. The centre of Washington Square, 



5. Foot of Cherry Street, on the 

 east bank of Mississippi river, 

 at high water mark, - - - - 



41 52 03 

 41 52 04 



41 51 59.2 

 41 52 01.8 



o / // 



90 10 03 

 90 10 02.35 



90 09 50.3 

 90 09 38.4 



h. m. s. 



6 00 40.2 



6 00 40.16 



6 00 39.35 



6 00 38.56 



41 52 03 : 90 10 15.2 6 00 41.01 



On Nicollet's map, Fulton is placed in latitude 41° 52' 4:3" N., 

 and longitude 90° 13' 45" West of Greenwich, which, in comparison 

 with our result, if we take the centre of Washington Square as the 

 point of reference, is + 41 ".2 in latitude, and -f 4' 06". 6 in longitude. 



In the last edition (that of 1857) of the map of the territory of the 

 United States, from the Mississippi to the Pacific Ocean, Fulton is 

 laid down in latitude 41° 55' 27" N., and in longitude 90° 12' 19" W., 

 which, in comparison with our result, is + 3' 25" in latitude, and 

 + 2' 41" in longitude. 



XIV. LYONS, IOWA. 



Station. — Near the middle of the garden of Mr. Benjamin Lake's 

 house, on Third Street, at the S. W. corner of Third and Exchange 

 Streets. From the station to the point of intersection of the axes or 

 middles of these two streets, is N. 45° 49 30" E., and the distance 

 is 190 feet. 



1st. Observations for the Latitude. 



Time-stars /3 Tauri west, and cc Bootis (Arcturus) east. Sidereal 

 chronometer fast 1/i. 00m. 31.2s. at 9A. blm. sidereal. Mean solar 

 chronometer fast 5m. 11.4s. at 9/j. 36m. mean time. 



Latitude of Station. 1858, 3Tarch 27th. 



By 22 circum-meridian altitudes of cc Hydrse south, 



and 20 circum-meridian altitudes of » Virginis, 



also south, combined with 25 circum-meridian 



altitudes (at lower meridian transit) of Polaris, 



north, .... 



Correction due to the observations for lat. at Fulton, 

 and the survey connecting the two stations. 



41° 52' 11".78 



Latitude of station adopted. 



+ 1.92 

 41° 52'13".7N. 



