EDGAR Filing Documents for 0000950123-11-056440

Form PRE 14A - Other preliminary proxy statements:

SEC Accession No. 0000950123-11-056440

Filing Date

2011-06-03

Accepted

2011-06-03 15:21:13

Documents

Period of Report

2011-07-25

Document Format Files

Seq	Description	Document	Type	Size
1	PRE 14A	c64866spre14a.htm	PRE 14A	1164293
3	GRAPHIC	c64866sc6486600.gif	GRAPHIC	2861
4	GRAPHIC	c64866sc6486601.gif	GRAPHIC	2600
5	GRAPHIC	c64866sc6486603.gif	GRAPHIC	1820
6		filename6.htm	COVER	7900
	Complete submission text file	0000950123-11-056440.txt		1183502

Mailing Address 333 WEST WACKER DRIVE CHICAGO IL 60606

Business Address

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (Filer) CIK: 0001266585 (see all company filings)

IRS No.: 000000000 | State of Incorp.: MA
Type: PRE 14A | Act: 34 | File No.: 811-21449 | Film No.: 11891981