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Date: 2013-03-21 10:53:22Architecture Concrete Stone Matter Natural materials Construction aggregate Crushed stone Gravel Cement Construction Building materials Pavements | 2009 Minerals Yearbook WASHINGTON [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological SurveyAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source WebsiteFile Size: 347,43 KBShare Document on Facebook |