Stone - granite, basalt and limestone - carved using chisels. diamond grinders and saws.
Minnesota granites
Children's Hospital in Minneapolis (granite)
granite
Sawtooth Mt Clinic Grand Marais, MN
granite 72" tall
basalt 26"h x10"w x5"d
granite, 77" h
72" h x 14" w x 10" d basalt, clay tile
52" long, granite