This is a naturally occurring stone. The stones vary in color from gray to brown to tan and are rounded and smooth. It is not a crushed stone so it does not have any edges or corners. There are approximately 1.4 tons per cubic yard.
# 8 (also called pea gravel), # 57, # 34, # 1 (very dirty in this size)
#57 Covering drain tiles
any size Decorative ground cover
#34 or #57 Under decks (visible)
#57 or #8 In dog kennels
#57 Backfilling after waterproofing
#57 Backfilling retaining walls (with drain tiles installed)
Remember that the smaller the stone, the smoother the finish will be.
Also, the softer the area you are working in is, the larger the stone you should start with and add additional layers of smaller and smaller stones until your finished surface is the desired product.