Variation and Dip of the Magnetic Needle. 43 
Lat. N. |Lon. W.| Variation. | Date. Authority. 
MASSACHUSETTS. A) lw aid was 
Dorchester, 42 1971 4) 9 6w/I839\Mr. Bond. 
House Point Island, 42 3/70 4) 9 20 |1835/Gov’t Survey. 
Southwick, 42 472 46) 8 15 |183SAmasa Holcomb. 
RHODE ISLAND. 
Newport, 41 28/71 21) 7 O /|1831)James Stevens. 
CONNECTICUT. 
New Haven, 41 18/72 58; 6 10 |IS40)/E. C. Herrick. 
NEW YORK 
Champlain, 45 073 26 9 30 /1838 Geological Report. 
West Chazy, 44 52/73 25) 9 21 ‘“ $s 
Ogdensburg, 44 4075 30,610 | “ (J. H. Coffin. 
Keeseville, 44 28/73 32, 7 30 |1825/Geological Report. 
= - « | 8 40 (1838 
Rossie, 44 2275 43) 6 43 |1839)Prof. A. Hokies 
Dial Mountain, 44 21/73 50) 9 33 |1838/Geological Report. 
Base of Mountain, (44 21/73 48 7 8 “ “ ss 
Cedar Point, 44 373 291 9 28 “ “ “ 
East Moriah, 44 3/73 31/10 10 “ o s 
Small Pond, 44 3173 371718 “ “ se 
West Moriah, 44 117341; 7 1 “ ss 6s 
earthe Mountain, (44 1/73 50 8 16 ad - ag 
Crown Point, 43 55\73 27| 8 47 “ “ $4 
er ae 43 2673 45) 7 15 ‘ om a 
Rocheste 43 877 51/5 4 /|1837)Regents’ Rpt. 1839. 
42 55'75 51, 4 O * “ 
42 49,75 34) 4 30 6 me 
42 44'73 40, 6 4 |1827\Am. Jour. v.17,p. 198. 
42 39/73 45, 6 14 |182S\Regents’ Rpt. 1829. 
‘“ 6 6 18 1 ss “ 1831. 
“c ‘“ 6 32 1 se ] 
42 28/75 33) 4 30 (183 Bg “ 1839. 
26 4 30 |1 “s * 
37/73 58/4 45 it se Bs 
, (ae ES Sd Oo ee ere Stag | 
PENNSYLVANIA. Ee ee és Ed.) ~pahneestt 
Fairview, 12770 O |. H. Sherwood. | 
MARYLAND. = gs mae 
Baltimore, 39 17/76 37, = 12. w)1808\|Am. Jour. v. 18, p. 331, 
GEORGIA. 
Toccoa Falls, 
ena SE 5 0 /1837/Geological Survey. 
mit of Toccoa Mt. 5 0 “ “ 
Tellulah River, - iis i 
Habersham Co = 
Carnesville, 34 2583 255 1 " se ss 
ornville, rt Co 433 | “ “ « 
: Elberton, 59 4 33 “ “6 “ 
Lawrenceville, 105 O (1839 “ ss 
Goshen, 5282 405 9 /|1837 “ “ 
