Hi, I was wondering if anyone on this list knows of a cornerstone on the Washington Monument (the original part). I understand that there is one and has names of the Building Committee listed. My great great great great uncle, Thomas Carbery, was the sixth mayor of DC and, I believe, he and and his brothers were on that committee. Would anyone know where I might find out this information? I was hoping to get a photo of it! I looked under the website for Washington Parks and didn't see any address to which to contact anyone. Thanks, Elizabeth Culhane Fairport, New York