Cleaner production of concrete by using industrial by
Mining Industry Series Crushed & Broken Granite Mining iii U.S. Census Bureau, 2002 Economic Census. Table 1. Historical Statistics for the Industry: 2002 and 1997 ... Production, development, and exploration workers for pay period including March 12 number 6 129 Production, development, and exploration worker annual hours 1,000 13 315 ...In Virginia, limestone, dolostone, sandstone, quartzite, granite, gneiss, basalt, greenstone, aplite, slate, and marble are all quarried for use as crushed stone. Some of Virginia’s limestone production is also processed for making cement and lime. Mine safety dust is also produced from limestone quarried in southwest Virginia.