In 2003 ownership of Rolls-Royce plc was passed to Rolls-Royce Group plc incorporated 21 March 2003 which issued its own new shares for payment to the previous shareholders. In 2011 in the same way Rolls-Royce Group plc passed ownership on 23 May 2011 to Rolls-Royce Holdings plc a wholly new company incorporated 10 February 2011. Rolls-Royce plc remains the principal trading company. Rolls-Royce Holdings plc, like its immediate predecessor, is merely a holding company.
1 Crimson = 1.1 tons (2200 lbs.) per cubic yard. 2  Rock (57 & 89) = 1.2 tons (2400 lbs.) per cubic yard. 3  Lime Rock (919) = 1.25 tons (2500 lbs.) per cubic yard.  River Rock (all) = 1.325 tons (2650 lbs.) per cubic yard.
This stone has a uniformly reddish-brown hue that looks great in any earth-toned landscape. 1-1.5 in size. Weight per cubic yard is approximately 2380 lbs. One ton will cover about 126 square feet at 2 deep.his is a beautiful landscape stone containing many shades of pink, purple, and gray. Weight per cubic yard is approximately 2500 lbs. One ton will cover approximately 130 square feet at 2 deep.