IR O 
Iron ores, in United States. 
: , in New England, 
in Vermont, F’. Hall, iii, 57; iv, 
23. 
—_— —, 
, ibid, at Benning- 
ton, C. Dewey, v, 249. 
4 , ibid, at Plym- 
outh, (spathic) ix, 22. 
- ibid, ibid, selanG;. 
Clemson, xxiv, 170. 
, in Rhode Island, 
> 
xl, 185. 
—, , in Connecticut, 
C. U. Shepard, xxxili, 152. 
: , ibid, at New Mil- 
ford, (spathic) vi, 209; xix, 
31Lf 
——, , in Kent, hema- 
tite, 11,216; vi, 209. 
, in Salisbury, ii, 
XIX, 322. 
New York, 
212; vi, 208; 
9) coe Ll 
xlvi, 25. . 
; , ibid, of Clinton 
group of rocks, (argillaceous) 
xlvili, 301. 
; , ibid, of Colum- 
bia and Dutchess Cos., xxxvi, 21. 
5 , ibid, of Crown 
Point, iv, 48. 
» —. ibid, of Essex 
Co. xxxvil 265 xl48l, 
-——, , ibid, at Hillsdale 
and Amenia, vill, 243. 
; , ibid, in Orange 
Co., xvii, 203. 
, , ibid, in Jefferson 
and St. Lawrence Cos., xl, 81. 
- , ibid, in Scoharie 
Co., xxv, 176. 
» — ibid, in St. Law- 
rence Co., J. Finch, xix, 220. 
: , in New Jersey, 
at Franklin, v, 243. 
; , ibid, at Pompton 
Plains, v, 28. 
=. ibid.) ing Moaxris 
Co., v, 28. 
» ——,in Pennsylvania, 
analyses of, W. R. Johnson, 
XXXVill, 883 ; xxxix, 142. 
132 I 
RO 
Iron ores, in United States. 
A ,in Maryland, Du- 
catel and Alexander, xxvii, 7, 13, 
32. 
titanic, 
42, 
- , near Baltimore, 
T. G. Clemson, xvii, 
5 ,in Ohio valley 
and Ohio, S.’P. Hildreth, xxix, 
129f, 137 ; xxxi, 61, 68. 
; , in ~=- Michigan, 
XXKiV.) 192. 
A , in Illinois, C. U. 
Shepard, xxxiv, 159. 
; , in Missouri and 
the West, iii, 26, 63; xlii, 67. 
‘ , in North Caro- 
lina, v, 417; xiv, 285; xli, 183, 
348. 
——, —, in Alabama, 
xlvill, 399. 
, arsenical, in New Hampshire, 
xxiv, 886; xlvi, 384. 
» ——) in Connecticut, vi, 232. 
—., ,in New York, xxi, 
326. 
, bog, in Maine, x, 18. 
—, , in Massachusetts, 1, 
343; ix,43; x, 14; xxi, 55. 
i , in Connecticut, x, 14; 
xxxilil, 156, 160. 
: , in New York, v, 270 ; 
xxvill, 176. 
, in New Jersey, H. 
Seybert, with an analysis, vill, 
298. 
: , in Pennsylvania, iv, 4 ; 
xiv, 5. 
‘ , in Maryland, xxvii, 7. 
——. , in North Carolina, xiv, 
235. 
——— , In Michigan, xxxiv, 
192. 
—., , in Canada, viii, 76. 
, argillaceous, in Massachu- 
setts, iv, 285; xxil, 55. 
; , in New York, xlviii, 
301. 
—, , in Ohio, xvi, 156. 
- , in Maryland, xxvii, 
32, 
