NAVNOTICE# 2030 - Lock and Dam 20/21/22 Closures MM 301.2

To: ALL MARINERS
From: Coast Guard Upper Miss
Date: 1/6/10
Subject: Lock and Dam 20/21/22 Closures MM 301.2 - 343.2 UMR
NAVNOTICE # 2030

UPPER MISSISSIPPI RIVER
THE FOLLOWING LOCKS AND DAMS WILL BE CLOSED TO ALL NAVIGATION
COMMENCING AT 0730 CST ON MONDAY JANUARY 4, 2010 AND ARE SCHEDULED TO
REOPEN AT 1630 CST ON FRIDAY FEBRUARY 26, 2010:
LOCK AND DAM 20 MM 343.2 UMR.
LOCK AND DAM 21 MM 324.9 UMR.
LOCK AND DAM 22 MM 301.2 UMR.
TOWBOAT OPERATORS ARE REQUESTED NOT TO TIE UP ON THE GUIDEWALLS
DURING THE CLOSURE PERIOD.