Construction sand and gravel - amazon aws
17 pages - 258.9 KB
Construction sand and gravel, which is one of the most ... and near metropolitan areas mainly because more aggregates are ... decorative, etc.).
Document in text mode:
SAND AND GRAVEL, CONSTRUCTION—200165.1SAND AND GRAVEL, CONSTRUCTIONBy Wallace P. BolenDomestic survey data and tables were prepared by Cheryl J. Crawford, statistical assistant.Construction sand and gravel, which is one of the mostaccessible natural resources and a major basic raw material, isused mostly by the construction industry. The construction sandand gravel industry is a major contributor to and an indicator ofthe economic well-being of the Nation, by producing a highvolume of basic products with a low unit value.A total of 1.13 billion metric tons (Gt) of construction sandand gravel was produced in the United States in 2001; this wasa very slight increase compared with that of 2000 (table 1). After a decrease in production in 1991, sand and gravelproduction increased each year for the following 10 years,which is an indication of the continuous strong demand forconstruction aggregates in the United States.In January 2002, the U.S. Geological Survey (USGS) mailed7,797 constructi...
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