Posted 3/21/2012 12:35 (#2298748 - in reply to #2296082) Subject: RE: Well I found what broke the NH3 shanks!
White Stone, Virginia
You guys are all wrong! That is an alien landing site! Put up signs and start charging admission!!! LOL!
That old concrete really is hard isn't it. I had to break up some that my great grandfather put in in when he built my barn in 1937 and it was amazingly hard. From what I understand it continues to harden even more over time.