—, —, —, —, grotto of plants, xxix, 18.f
—, —, —, —, Falls of the Cuyahoga, S. P. Hildreth, xxxi, 47.f
—, —, —, —, rocks of, xl, 126.
—, —, —, —, Belmont Co., C. Atwater, i, 226.
—, —, —, —, reports on, noticed, of S. P. Hildreth, xxxii, 190; xxxiv, 196, 347.
—, —, —, —, ibid, of W. W. Mather, xxxiv, 196, 347; xl, 126.
—, —, —, —, ibid, of Mr. Briggs, xxxiv, 197.
—, —, —, —, ibid, of Mr. Whittlesey, xxxiv, 197.
—, —, —, —, coal, see [Coal.]
—, —, —, Western States, D. D. Owen, xliv, 365; xlv, 151, 163.