At 04:43 PM 7/3/2008, Michael Collinson wrote: > >Shouldn't that be "cobblestone"? Neither > >dict.leo.org, nor google nor my Oxford > >dictionary knows what copperstone should be. > >That would be my guess to. I've certainly never >heard of it as a geologist or native english speaker. > >Mike Even if my grammar and spelling is appalling. "My guess too." Mike