Site Links

www.oksaferoads.com

Oklahomans for Safe Bridges and Roads.

www.nssga.org

National Stone, Sand and Gravel Association

www.mii.org

Mineral Information Institute

www.deq.state.ok.us

Oklahoma Department of Environmental Quality

www.tx-taca.org

Texas Aggregates and Concrete Association

www.wunderground.com

Weather Underground

www.portcement.org

 Portland Cement Association represents cement companies in the United States and Canada.

www.asphaltinstitute.org

The Asphalt Institute is the international trade association of petroleum asphalt producers, manufacturers and affiliated businesses

www.terraserver.com

Aerial Images

www.msha.gov

U.S. Department of Labor
Mine Safety and Health Administration

www.pitandquarry.com

Launched in 1916, Pit & Quarry magazine serves the aggregates mining industry