77103688
Feb 9, 2007
Mar 3, 2009
Aggregate material composed of absorbent expanded shale, expanded shale, slate, clay, or pozzolanic slate for use in construction; Lightweight aggregate material composed of absorbent expanded shale, expanded shale, slate, clay, or pozzolanic slate for use in construction; Gravel; Admix material, namely, dry mix for making concrete composed of absorbent expanded shale, expanded shale, slate, clay, or pozzolanic slate for use in construction; Concrete admix material, namely, dry mix for making concrete composed of absorbent expanded shale, expanded shale, slate, clay, or pozzolanic slate for use in construction
Nonmetallic Building Materials