Crushed Rock, Gravel, Sand and Stone Products | Hedrick ...- what is stone crushing ,Hedrick Industries supplies/produces crushed stone and rock, gravel and sand through the South East from one of our 9 locations in NC and SC.Kidney Stone Surgery & Removal Procedures - WebMDSWL is the most common kidney stone treatment. It works best for small or medium stones. It's noninvasive, which means no cuts are made in your skin. During this procedure, you lie …