Emgold Mining Corporation: www.emgold.com
Idaho-Maryland Mining Corporation: www.idaho-maryland.com
Leadership in Energy and Environmental Design (LEED): www.usgbc.org/LEED/
Cool Roof Rating Council (CRRC): www.coolroofs.org
U.S. Green Building council (USGBC): www.usgbc.org
Coal Combustion Products Partnership: http://www.epa.gov/epawaste/partnerships/c2p2/index.htm
Masonry Advisory Council: http://www.maconline.org/
The National Brick Research Center: https://www.brickandtile.org/
American Coal Council: http://www.clean-coal.info/drupal/index.php
ACAA - Promoting & Advancing Coal Combustion Products: http://www.acaa-usa.org/
California Environmental Protection Agency: http://www.calepa.ca.gov/
Green California: http://www.green.ca.gov/default.htm