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

by Various

main source of the Hudson; fall of the Au Sable, 313;

high peak of Essex, 314;

boulders, 315;

trap dike, 316;

ascent of Mount MacIntyre, 317;

elevation of the mountains, 319;

head of the Hudson, 320^f;

beds of iron, 323.

—, —, E. Emmons's Geological Report of, noticed, xxxvi, 26;

–iron ore, dikes, ripple marks, 26;