—, —, —, large masses of, ix, 9.
—, —, —, D. Olmsted, on the mines of, ix, 5; xiv, 237.
—, —, —, remarks on mines of, C. E. Rothe, xiii, 201.f
—, —, —, miscellaneous notices of the geology of the region of, E. Mitchell, xvi, 1.f
—, —, —, on the nature of deposits, F. L. Smith, xxxii, 130.
—, native, of the Carolinas, in talcose slate, A. Eaton, xviii, 50.
—, —, in Georgia, mines of, W. Phillips, xxiv, 1.f
—, —, —, —, washing for, xxiv, 14.f
—, —, —, remarks on, xxxiv, 397.
—, —, —, analysis of, W. W. Mather, xxvii, 255.