Richard Bangert examines a 1981 environmental assessment by the U.S. Army Corps of Engineers while considering Alameda's ...

Sea Stone is a cement look-alike "mimic" material which in reality is comprised by 100% natural, non-toxic and sustainable materials. It features significant hardness, yet its light weight is ...

What is Japan’s national stone? Jade. I’ll bet you ... Welcome to Jade Beach in the city of Itoigawa along the Sea of Japan in Niigata Prefecture. First, a bit of geological background info ...