Site Links
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.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
www.rockproducts.com
Rock Products has been the aggregate industry’s leading source of information since 1896.
