granite
The Desert Bedrock
A pyramid is HOLLOW.
Desert Bedrock
The pyramids are huge architectural mysteries. They were built from mastaba and limestone and several sun baked bricks. The blocks are huge.
Engineered fill is soil or crushed stone that is compacted and used as fill. Engineered fill has much to do with the placement and compaction of the material you are using and not just the material itself.
A pillow stuffing is a material used to fill out a pillow! e.g. goose feathers.
Crushed concrete or processed fill.
Choke Ballast Over Debris
Select Fill is material that is used to fill or build up to a set elevation. Its particle size is generally larger than soil or sand. Engineers generally set the requirement for the sieve requirements of select fill
A shim is is a thin or wedged piece of material used to fill gaps or spaces between objects.
cat scan
Water is standing in the crater or if subsurface material is unsuitable to fill the crater