Department of Labor — www.dol.gov

Mine Safety and Health Administration — www.msha.gov

Pittsburgh Safety and Health Technology Center — www.msha.gov/TECHSUPP/TECHSUP1.HTM

Approval and Certification Center — www.msha.gov/TECHSUPP/ACC/ACCHOME.HTM

Department of Transportation — www.dot.gov

Federal Railway Administration — www.fra.dot.gov

Federal Transit Administration — www.fta.dot.gov

Environmental Protection Agency — www.epa.gov

Copper Range Company Solution Mining Project — www.epa.gov/Region5/copper

Mine Waste Technology Program — www.epa.gov/ORD/NRMRL/std/mtb/annual99.htm

National Aeronautics and Space Administration — www.nasa.gov

Jet Propulsion Laboratory — www.jpl.nasa.gov

National Science Foundation — www.nsf.gov

Directorate for Engineering — www.eng.nsf.gov

Division of Civil and Mechanical Systems (tunneling and excavation research ) — http://www.eng.nsf.gov/cms/

Engineering Research Center for Particle Size and Technology at the University of Florida — www.erc.ufl.edu

Division of Earth Sciences — www.nsf.gov/search97cgi/vtopic

Non-federal Programs

National Aggregate Association/National Stone Association — www.nationalaggregates.org/naa2.htm

National Ready-Mixed Concrete Association — http://www.nrmca.org



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