Earth material: shall mean soil, loam, sand, gravel, stone, ledge, clay, sod,
Earth material: shall mean soil, loam, sand, gravel, stone, ledge, clay, sod, minerals, organic matter or other earth or similar material.
Earth material: shall mean soil, loam, sand, gravel, stone, ledge, clay, sod, minerals, organic matter or other earth or similar material.