Craft projects to make using GravelsGravel is composed of unconsolidated rock fragments that have a general particle size range and include size classes from granule- to boulder-sized fragments. Gravel is sub-categorized by the Udden-Wentworth scale into granular gravel and pebble gravel. One cubic yard of gravel typically weighs about 3000 pounds. Gravel is an important commercial product, with a number of applications. Many roa... From Wikipedia
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