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Windsor-Essex
Walker operates two limestone quarries in the historic township of Amherstburg, Ontario. McGregor Quarry and Amherstburg Quarry provide a variety of granular products, clear stone, gabion, rip rap and armour stone to the local construction industry. The sites produce innovative products like calcite agricultural lime for the farming industry, and they recycle concrete and asphalt into reusable materials for the aggregate market.
Available in Windsor-Essex:
Windsor-Essex:
| Category | Product | Size / Classification | Amherstburg Quarry | McGregor Quarry |
|---|---|---|---|---|
| Clear Stone | Clear Stone | 3/8" | • | • |
| Clear Stone | 1" - 2" | • | • | |
| Clear Stone | 2.5" | • | • | |
| Clear Stone | 4" | • | • | |
| Clear Stone | 19mm (3/4") / 3/4" Clear | • | • | |
| Gabion | 4" - 6" | • | • | |
| Gabion | 6" - 12" | • | • | |
| Large Rip Rap | 12" - 24" (300 - 600mm) | • | • | |
| Fines | Agricultural Lime - Calcite | • | ||
| Cable Sand | • | • | ||
| Screenings | 1/4" Minus | • | • | |
| Screened Fill (Fill Sand) | • | • | ||
| Septic Sand | • | |||
| Trail Mix Screenings | 1/2" Minus | • | • | |
| Granulars | Granular / Crusher Run | 19mm (0 -3/4") | • | • |
| Granular / Crusher Run | 50mm (0 - 2") | • | • | |
| Granular / Crusher Run | 150mm (0 - 6") | • | • | |
| OPSS Granular A | Passes 1? | • | • | |
| OPSS Granular B Type I (Limestone) | 0 - 1/2? | • | • | |
| OPSS Granular B Type II | 0 - 2? | • | • | |
| Oversized/Landscaping | Armour Stone - Random | • | • | |
| Armour Stone - Random Size/Shape | 1 - 2 tonne | • | • | |
| Armour Stone - Random Size/Shape | 2 - 4 tonne | • | • | |
| Armour Stone - Landscape Stackable | 10" / 13" / 24" | • | ||
| Armour Stone - Shoreline | • | • | ||
| Recycled Materials | Recycled Asphalt | Minus 5/8? | • | |
| Recycled Concrete | 0 - 3" | • | ||
| Excess Soil | Excess Soil Acceptance | • |
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