Attachment 2.2 NI Hist Nav Season Info.pdf

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RECOVERY--Y--RECOVERY--Lock and Dam 3, Navigation Improvements
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W912ES-09-R-0025
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Request for Qualifications (Phase I) Lock and Dam #3 Navigation Improvements

Design‐Build Procurement

July 2009

Attachment 2.2 – Historical Navigation Season Information

U.S. ARMY CORPS OF ENGINEERS

St. Paul District

W912ES‐09‐R‐0025

ST. PAUL DISTRICT

SPRING OPENING AND FALL CLOSING DATES

LOCK AND DAM 3

OPENING CLOSING LENGTH OPENING CLOSING LENGTH

YEAR DATE DATE OF SEASON YEAR DATE DATE OF SEASON

1936 1975 05-Mar 14-Dec 285 1937 1976 04-Mar 05-Dec 277 1938 1977 19-Mar 05-Dec 262 1939 1978 04-Apr 30-Nov 241 1940 1979 31-Mar 04-Dec 249 1941 1980 27-Mar 04-Dec 253 1942 1981 08-Mar 03-Dec 271 1943 1982 24-Mar 07-Dec 259 1944 1983 04-Mar 04-Dec 276 1945 1984 04-Mar 30-Nov 272 1946 1985 18-Mar 30-Nov 258 1947 1986 22-Mar 05-Dec 259 1948 1987 09-Mar 28-Nov 265 1949 1988 21-Mar 29-Nov 254 1950 1989 31-Mar 23-Nov 238 1951 1990 18-Mar 28-Nov 256 1952 1991 22-Mar 23-Nov 247 1953 1992 09-Mar 01-Dec 268 1954 1993 22-Mar 29-Nov 253 1955 1994 25-Mar 29-Nov 250 1956 1995 15-Mar 28-Nov 259 1957 1996 19-Mar 25-Nov 252 1958 1997 28-Mar 24-Nov 242 1959 05-Apr 29-Nov 239 1998 11-Mar 16-Dec 281 1960 07-Apr 30-Nov 238 1999 19-Mar 09-Dec 266 1961 18-Mar 02-Dec 260 2000 04-Mar 01-Dec 273 1962 01-Apr 03-Dec 247 2001 04-Mar 30-Nov 272 1963 01-Apr 04-Dec 248 2002 15-Mar 27-Nov 258 1964 07-Mar 04-Dec 273 2003 30-Mar 28-Nov 244 1965 06-May 04-Dec 213 2004 19-Mar 03-Dec 260 1966 15-Mar 06-Dec 267 2005 28-Mar 01-Dec 249 1967 24-Mar 10-Dec 262 2006 21-Mar 27-Nov 252 1968 20-Mar 09-Dec 265 2007 29-Mar 27-Nov 243 1969 16-Mar 06-Dec 266 2008 10-Apr 25-Nov 229 1970 09-Mar 03-Dec 270 2009 23-Mar 1971 20-Mar 15-Dec 271 2010 1972 24-Mar 06-Dec 258 2011 1973 18-Mar 06-Dec 264 2012 1974 15-Mar 11-Dec 272 2013

6/9/2009

Historic Navigation Season Information.pdf
Sheet1

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