NUVEEN TAX EXEMPT UNIT TRUST SERIES 687


333 W WACKER DRIVE, CHICAGO IL 60606


1999 SEC Filings

NUVEEN TAX EXEMPT UNIT TRUST SERIES 687, 24F-2NT, 1999-11-15
NUVEEN TAX EXEMPT UNIT TRUST SERIES 687, 497J, 1999-09-24
NUVEEN TAX EXEMPT UNIT TRUST SERIES 687, 485BPOS, 1999-09-23


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