The American Journal of Science and Arts, Volume 50 (First Series) / General Index to Forty-Nine Volumes

by Various

—, — — of Mauch Chunk, &c., B. Silliman, xix, 1^f, 11;

–mine, 12;

new mines, 17;

Beaver Meadow mine, 19; xx, 163.

—, — region between Cumberland and Pittsburg, S. W. Pomeroy, xxi, 342.

—, — vegetable fibres apparent in the anthracite, B. Silliman, xxiv, 173.

—, — region of the Monongahela valley, xxix, 60^f, 61, 64.^f

—, — — of the Conemaugh and Kiskiminitas, xxix, 73, 74.^f

—, —, remarks on the extent and characters of the bituminous, S. P. Hildreth, xxix, 77.

—, — field of Carbon Creek, (Bradford coal field) with analyses, W. R. Johnson, xxxix, 137.