On April 29th, the California Geological Survey (CGS) released production data from 2012 indicating that the production of construction aggregate (sand, gravel and crushed stone) increased for the first time since 2007 in California.  Construction aggregate production increased by 7.3 percent to 121.3 million tons (valued at $1.162 billion).  Portland cement production also increased by

On March 1st, the California Geological Survey (CGS) released information forecasting a continuing shortage of permitted aggregate resources (sand, gravel and crushed stone) in California.  According to CGS’s Map Sheet 52 and accompanying report, California only has permitted resources to meet approximately one-third of aggregate demand over the next 50 years. 

Aggregate is essential for