—, diamond mines, xix, 199.
—, copper mines at Ekatherinenburg, xvii, 25.
—, notice of gold mines of, ix, 183; xii, 384; xiv, 204; xvii, 25; xviii, 190; xxviii, 395; xlvi, 211.
—, mines of gold and silver, yield of, xvii, 406; xx, 402; xxi, 372.
—, mass of twenty-five pounds, xii, 384.
—, platina in the Ural, xii, 384; xiv, 204; xviii, 190; xxviii, 395.
—, —, large masses of, xlvi, 212.
—, iron founderies, improvements in, xxx, 181.
—, stone butter, a mineral product eaten in, xvii, 28.
Russian drinks, xi, 392.