Excerpt from The American Exchange and Review, Vol. 21: A Miscellany of Useful Knowledge and General Literature; Especially Devoted to Finance, Mining and Metallurgy, Insurance, Railways and Transportation, Manufactures, Patents, Trade, Commerce, Art, Joint Stock Corporation Interests, Physics, Social and Econ Mining and metallurgy. - Mineral Wealth of North Carolina, 42; Iron Product of the Western States, 45 Meteoric Iron found in Greenland, 47; Iron Region of Alabama, 48; Smelting Works in Colorado, 48; Smelting Silver Ores in Pittsburgh, 49; Items, 49, 123, 193, 271, 346 419; The Bessemer Process in the United States, 1 16; Burnt Iron and Steel and Influence of Carbon in preventing Oxidation, 1 17 Lead Mines in Missouri, 118; Qiicksilver Mining in California, 1 19; Antimony in Nevada, 120; The Gap Nickel Mine, 121; Mineral Wealth of Texas, 122; Spanish Iron Ores, Degrees122; New Smelting Works in St. Louis, 123; The Siemens Steel Process, 186; Metallurgy of Platinum, 187; Mining Statistics of Great Britain, 188 Geological Survey of Indiana, 189; Mechanical Puddling, 189; Copper and Iron Products of Lake Superior, 190; Corundum in North Carolina, 191; Ohio Iron Manufacture, 191; The Eureka Company's Mine, 191 Philadel phia Iron Industry, 192; Hammered and Bloomed Steel Rails, 192 German Mineral Product, 192; Pig Iron Production of the World, 193, Colorado Lead Ore, Sulphur and Phosphorus in Iron Ores Remaining in Pig Metal and Slag, 265; Increasing Economy in Furnace Fuel, 267 The Sutro Tunnel, 268; A Case of Case-hardening Iron, 269; Iron Ores of Alabama, 270; Emerald Mines of Columbia, 276 Compulsory Stamping of Steamboat Boiler Metal, 270; Corunna Coal Mines, Michigan, 270; New jersey Iron Production, 271; Coal discovered by Artesian Boring, 271 Silver Mining in the Pacific States, Explorations in the Emma' Mine, 341; Spiegeleisen, 342; Iron Ores of North Carolina, 343; Bismuth in Utah, 344; Texas Coal Field, 344; Phosphorus in Iron, 345 Bavarian Mineral and Metal Products, 345 Explosions in Anthracite Mines, 345; F ire-damp Detector, 345; Silicon Steel, 414; Kaolin of South Carolina and Georgia, 415; New Copper Process, 416; Separation of Silver and Steel, 416; Copper Mines of Chili, 417 Crystallized Iron, 417 Blast Furnaces in Great Britain, 418 Mariposa Mines, 418; Indiana Block Coal, 419; Composition of Spiegeleisen, 419. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.