PEN 
Pennsylvania, coal, Mauch Chunk, 
J. Pierce, xii, 56; yield of Mauch 
Chunk beds in 1825, and statistics 
relating to, 57; navigation of the 
Lehigh, 58; rations to laborers, 
61; Mount Carbon or Pottsville, 
63; price of coal, 64; Peter’s 
Mountain, 65; Wyoming beds, 
66 ; Lackawanna, 67. 
—,, , on the bituminous, J. 
Pierce, xii, 69 ;—use of, in ma- 
king iron, 73. 
f mines, of Belmont on 
the Lackawanna, 7. Ritter, xii, 
301. 
-—, on Tioga river, chem- 
ical analysis and description of, 
W. Meade, xiii, 32 
32 ;—the two 
great coal districts of the state, 
39. 
5 alley of 
the rat ete and ieee 
B. Silliman, xviii, 308.! 
> of Mauch Chunk, 
&c., B. Silliman, xix, lf, 11; 
—mine, 12; new mines, 17; 
Beaver Meadow mine, 193 xx, 
163. 
—, region between Cum- 
berland and- Pittsburg, S. W. 
Pomeroy, xxi, 342. 
, vegetable fibres appar- 
ent in the anthracite, B. Silliman,| 
xxiv, 173. 
t region of the Monon- 
gahela valley, xxix, 60!, 61, 
64.! , 
; —— of the Conemaugh 
and Kiskiminitas, xxix, '73, 74.¢ 
——, , remarks on the extent 
and characters of the bituminous, 
S. P. Hildreth, xxix, ‘77. 
—, field of Carbon Creek,| 
(Bradford coal field) with analy- 
ses, W. R. Johnson, xxxix, 
137. 
‘ , southern, JM. C. Lea, 
xl, 370 ;—various analyses, 373. 
’ , ——, model of, with 
notices of geological features, &e., 
Rub; Taylor, xli, 80.f 
196 
PEN 
Pennsylvania, coal, on the gen- 
eral character, limits, and re- 
lations of the beds, J. Hall, xlii, 
52. , 
; formation, H. D. Rog- 
ersy xliy77. 
, Beaver Meadow mine, xix, 
19. , 
, Bethlehem, catalogue of plants 
near, J. Wolle and A. L. Hitbe- 
ner, xxxvil, 310. 
Ap ice ridge gap, XIX, 6. 
, Carbon Creck, region, W. R. 
Toknsens meorerdpiey Milfs 
, Chester Co., mineralogy of, 
G. W. Carpenter, xiv, 1. 
, Conemaugh and Kiskiminitas 
regions, xxix, 71.£ 
, diluvial scratches beats IO) 
Rogers, xiii, 180. 
, Easton, notice of, B. Silli- 
man, xix, 9. 
. , rare plants of, L. de 
Schweinitz, viii, 267. 
——, , geology of the country 
near, and listof minerals, J.Finch, 
vit, 236.! 
, geological survey of, propos- 
ed, xil, 173. 
é report of H. D. Rogers, 
noticed, xxxil, 192; xxxiv, 188; 
xxxvil, 8805; xli, 385. 
, Internal improvements 
xxv, 84; xxvi, 108. 
, Iron furnace at Mauch Chunk, 
xil, 61. 
, iron ores of Center and Hun- 
tingdon Cos., xii, 73 ;—mode of 
manufacturing, 74. 
in, 
; of Belmont coal 
mines, xil, 802. 
; ——, analysis of, W. 
R. Johnson, xxxviii, 3883 5 xxxix, 
142. 
——., Lackawanna region and coal, 
J. Pierce, xii, 67. 
——, ibid, Belmont, 7. Rit- 
ter, xii, 801. 
——, Laurel Mountains, xxi, 346. 
, Lehigh coal and navigation 
company, xxiv, 173. 
