Rock quarries create invisible dust particles proven to cause silicosis—a progressive, incurable lung disease. Long-term exposure to particulate matter is strongly associated with heart disease, stroke, infertility, and pregnancy complications.

Hundreds of additional gravel trucks on area roads will increase travel times, vehicle accidents, and traffic deaths on roadways between Bulverde, Spring Branch, kendallia and Blanco

Studies have shown that homes and ranches within five miles of a quarry or gravel pit lose up to 20 percent of their market value