GEORGE W CALDWELL SSN330-03-6190 Born6 Aug 1918 Died9 Jul 1993 Residence: 80027Louisville, Boulder, CO Issued: IL (Before 1951)
If you search at http://icris.co.boulder.co.us/login.jsphttp://icris.co.boulder.co.us/login.jsp for CALDWELL GEORGE you will find a few real estate transactions, as well as the filing of George's death certificate.
I believe George's wife's name was Genevieve. Perhaps this is her:
GENEVIEVE M CALDWELL SSN 339-01-0126 Born 28 Nov 1918 Died 25 Aug 2001 Residence:80504Longmont, Weld, CO Last Benefit:80027Louisville, Boulder, CO Issued:IL (Before 1951)