Aggregates

California's aggregates industry supplies sand, gravel, and crushed stone for local construction.  Aggregates are necessary for making ready-mixed concrete, asphalt, and many other building materials.  Millions of tons of aggregates are required to build and maintain our infrastructure: roads and bridges, highways, homes, buildings, school and public works. 

technical resources

AGGREGATES & SUSTAINABILITY

Distance Matters - www.distancematters.org 
CA Mineral Sustainability - Policy
CA Aggregate Sustainability - Report
Aggregate Supply & Distance - fact sheet
Caltrans Sustainability Program - website
FHWA Aggregates and Recycled Materials - website
 

AGGREGATES & MINERALS

CA Geological Survey - Mineral Resources Program
CA Geological Survey - Mineral Classification Maps & Reports
CA Geological Survey - Mineral Production
CA Geological Survey - Los Angeles Aggregate Supply & Demand
CA Office of Mine Reclamation - 3098 List 
USGS - Construction Sand & Gravel/Crushed Stone
USGS - Mineral Production Reports
BLM California - Minerals

CALTRANS

Aggregate Prequalification Program - Website
Innocuous Aggregates for Concrete - Website
Innocuous Aggregates for Concrete - Requirements

MORE RESOURCES

Aggregate Sustainability - https://www.calcima.org/content.asp?contentid=21
Learn More About California’s Aggregate industry - https://www.calcima.org/advo_edu
Local Aggregate Supply Maps - http://www.aggregatematters.com/permitted-supply-map/index.html
Permitted Aggregate Supply Map - http://www.aggregatematters.com/permitted-supply-map/index.html

NATIONAL ASSOCIATION

National Stone, Sand and Gravel Association (NSSGA)