The company operates a quarry in Havre de Grace. Harford’s code mandates that extraction activities maintain a minimum buffer of 1,000 feet from adjacent roads and a minimum buffer of 1,500 feet ...

“If you stood in my house when a shockwave happens — which is about four times a week — you would feel the whole house shake,” said Havre de Grace resident ... is 1,500 feet from a quarry ...