Re Sherwood Colliery Co Ltd The applicants applied for the right to work four seams of coal and for the right to let down the surface in the course of working and certain ancillary rights. The coal, which amounted to about 6,250,000 tons in freehold ownership and 9,000,000 tons in what was formerly copyhold ownership, was vested in such a number and variety of interests that it was impracticable to obtain the right to work it.