In-place vs loose density of loam and topsoil (FHWA)
Density in the ground (in place, or bank) and once dug and loaded (loose). The ratio is bank / loose: how much the volume grows when the material is dug.
Density in the ground (in place, or bank) and once dug and loaded (loose). The ratio is bank / loose: how much the volume grows when the material is dug.