Using less limestone to complete your projects can save you significant time and money. That's exactly what you get with Port Aggregates. ... #610 Crushed Concrete (Powder – 1 1/2″) 10lb Rip Rap (6-10″) 30lb Rip Rap. 55lb Rip Rap. 314 N. Main St. Jennings, LA 70546 Phone: 337.824.ROCK Fax: 337.824.7777. Industries Served.