Ward's® Clay, Silt, Sand, and Gravel Set

Useful for weathering and erosion, soil formation, porosity and permeability, or other general earth science labs.

• Each sample is carefully selected for its unform size

• Order each sediment individually, or bundle and save

This complete set contains: clay, silt, fine and coarse sand, gravel, and pebbles.

Livraison: Supplied in 32 oz. containers