Hoggin is a a mix of gravel, sand and clay that binds firmly when compacted, yet allows water to drain through it. Not only does it look attractive but it's easy to maintain, just requiring ...

Yet, soil compaction is a science and it requires a ... Corp., soil can be broken down into four basic groups: clay, silt, sand and gravel. "The most important characteristic is particle size ...

Soil is made up of particles known as sand, silt, and clay, plus a small portion of organic matter. These particles are ...