—, Conemaugh and Kiskiminitas regions, xxix, 71.f
—, diluvial scratches in, H. D. Rogers, xliii, 180.
—, Easton, notice of, B. Silliman, xix, 5.
—, —, rare plants of, L. de Schweinitz, viii, 267.
—, —, geology of the country near, and list of minerals, J. Finch, viii, 236.f
—, geological survey of, proposed, xii, 173.
—, — report of H. D. Rogers, noticed, xxxii, 192; xxxiv, 188; xxxvii, 380; xli, 385.
—, internal improvements in, xxv, 84; xxvi, 108.
—, iron furnace at Mauch Chunk, xii, 61.
—, iron ores of Center and Huntingdon Cos., xii, 73;