· Quarry Products. P. Keenan have been operating in the Quarry Industry for over 80 years. We provide an extensive range of High-Quality Aggregates from our Quarries located in Cookstown, Dunloy, Knockloughrim, Corkey, Plumbridge and Irvinestown. Our Corvanaghan Quarry, located just 6 miles outside Cookstown, Co Tyrone, produces a High Quality .. aritable Trust withdraws bid to reopen quarry - Quarry2021-12-17 · Charitable Trust withdraws bid to reopen quarry. Hillview Quarries and the Ross Trust undertake numerous restoration projects on the Mornington Peninsula, Victoria. The Ross Trust has announced its quarry business, Hillview Quarries, will not be developing the former Pioneer Quarry site in Dromana, Victoria, opting instead to rehabilitate.