Reliable Aggregates for Northern Ontario’s Toughest Projects. Select Pit Location: Long Lake Pit (9509) Island Lake Pit (9583) Innlink Aggregate & Concrete Calculator Aggregate & Concrete Calculator Aggregate Concrete Aggregate Calculator Select Aggregate Type: Gravel Pitrun Screen Sand Crushed Stone 3/4 Granular A Granular B Length (meters): Width (meters): Depth (meters): Concrete Calculator Select Concrete Type: Standard Mix High-Strength Mix Lightweight Concrete Length (meters): Width (meters): Depth (meters): Request a Quote Send Request