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.
How much does a cubic yard weigh? The weight of a cubic yard depends entirely on the type of material. Mulch: Weighs in at roughly up to 1,000 pounds per cubic yard, depending on the type and whether itâs wet or dry. Soil: Weighs about 2,200 pounds per cubic yard, depending on the moisture content. Sand, Gravel, Stone: Can tip the scales at upwards of 3,000 pounds per cubic yard.