"Project Cornerstone is an Award Winning Organization"
Construction aggregates are the second most consumed commodity in the world
- second only to water.
Examples of construction aggregates are sand, gravel, and crushed stone.
Project Cornerstone is a grassroots organization dedicated to educating the public about the importance of local construction aggregate resources through hands-on learning in Science, Technology, Engineering and Mathematics (STEM).
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Project Cornerstone reached 7,586 students and parents in 2017 throughout San Diego County through in-class programs, field trips, and community events.
7,586
Our Programs
Education
Project Cornerstone offers hands-on field trips to local quarries and in-class activities for San Diego County students that are alned with the Next Generation Science Standards and support STEM education.
Community Outreach
Project Cornerstone educates the public on the importance of local construction aggregates by conducting presentations for local service groups, organizations, booths at fairs and community events.
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Teachers
Groups & Organizations
Producers & Mine Operators
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Project Cornerstone is a nonprofit 501(c)(3) charity supported almost entirely by annual donations.