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 Of Dirt Weigh? The average cubic yard of dry fill dirt will typically weigh as much as 2,000 pounds. If it is made up of a mixture of sand, stone and gravel, the weight can easily exceed 3,000 pounds per cubic yard. Depending on the composition and moisture content of the dirt, a cubic yard can weigh from 2,000 â 2,700 pounds. If the dirt is mostly made up of topsoil and organic material, a cubic yard of it will weigh as much as 1,080 pounds. If the dirt is made up mostly of sand, it can weigh as much as 2,600 â 3,000 pounds.