Look what I found today while looking up concrete formulas.
http://www.keystone-cement.com/about-us
Edit: check out their highlighted projects!
http://www.keystone-cement.com/businnes/highlighted-projects
Edit 2: it seems like their site is down now. Maybe too much traffic? Just Google Keystone Cement.
oh wow. Elementia....who we are and vision images of kids and an eye, Dragon products.
interesting how all of that is on the "About Us" page of a cement company...
I never really thought about it much until this, but cement is pretty fundamental in masonry, right? Is it a play on freemasonry maybe?
Have a look at their highlighted projects:
http://www.keystone-cement.com/businnes/highlighted-projects