Number of records found: 33
| RIVER | LOCATION | BREAKUP DATE | BREAKUP YEAR | DATE ICE MOVED | FIRST BOAT | UNSAFE FOR MAN | UNSAFE FOR VEHICLE | TYPE OF VEHICLE | DATE OF LAST ICE | REMARKS |
|---|---|---|---|---|---|---|---|---|---|---|
| Gulkana River | Gakona | 05-01 | 1949 | |||||||
| Gulkana River | Gakona | 05-10 | 1950 | 04-20 | 04-06 | |||||
| Gulkana River | Gakona | 04-30 | 1951 | 04-12 | ||||||
| Gulkana River | Gakona | 05-03 | 1952 | 04-26 | ||||||
| Gulkana River | Gakona | 05-02 | 1953 | 04-10 | 03-30 | |||||
| Gulkana River | Gakona | 05-01 | 1955 | 04-10 | 03-20 | |||||
| Gulkana River | Gakona | 05-12 | 1972 | 05-10 | 05-07 | 05-13 | ||||
| Gulkana River | Gakona | 1973 | 05-12 | 05-15 | 05-08 | 05-08 | Snowsled | 05-15 | ||
| Gulkana River | Gakona | 1974 | 04-20 | 05-15 | 04-15 | 04-15 | Snow sleds | 05-15 | ||
| Gulkana River | Gakona | 1978 | 05-04 | 05-01 | Never safe for vehicle | 05-14 | ||||
| Gulkana River | Gakona | 05-07 | 1981 | 05-07 | 05-07 | 04-16 | 03-10 | Snowmachine | 05-07 | Safe for vehicle in places only all winter. |
| Gulkana River | Gakona | 05-07 | 1986 | 05-04 | 04-26 | 04-20 | Snowmachine | |||
| Gulkana River | Gakona | 05-05 | 1987 | 05-10 Ice still in at Sourdough. | ||||||
| Gulkana River | Gakona | 04-25 | 1988 | River eroded under bridge 4-25-4-29 | ||||||
| Gulkana River | Gakona | 04-28 | 1989 | |||||||
| Gulkana River | Gakona | 04-10 | 1991 | 04-10 | 03-25 | 03-15 | Snowmachine | |||
| Gulkana River | Gakona | 05-12 | 1992 | 05-10 | Shifted and jammed at bridge on 5-10 - 5-12 | |||||
| Gulkana River | Gakona | 04-28 | 1993 | 04-28 | 04-12 | 04-01 | ||||
| Gulkana River | Gakona | 04-26 | 1994 | 04-26 | 05-15 | 04-15 | Dog sled-snowmobile | 05-10 | ||
| Gulkana River | Gakona | 04-29 | 1995 | |||||||
| Gulkana River | Gakona | 04-24 | 1996 | |||||||
| Gulkana River | Gakona | 05-02 | 1997 | 04-26 | 05-21 | 04-25 | 04-23 | snowmachine | 05-07 | |
| Gulkana River | Gakona | 1998 | 04-28 | 05-07 | 04-15 | 04-20 | snowmachine | 05-04 | ||
| Gulkana River | Gakona | 1999 | 04-27 | 05-10 | 04-19 | 04-22 | snowmachine | 05-08 | ||
| Gulkana River | Gakona | 04-28 | 2000 | 04-26 | 05-12 | 04-16 | 04-20 | snowmachine | 05-11 | |
| Gulkana River | Gakona | 04-28 | 2001 | 04-14 | 05-18 | 04-12 | 04-18 | snowmachine | 05-18 | |
| Gulkana River | Gakona | 03-29 | 2003 | 03-27 | 04-20 | 03-18 | 03-29 | Snow Machine | 03-29 | |
| Gulkana River | Gakona | 05-04 | 2004 | |||||||
| Gulkana River | Gakona | 04-25 | 2005 | 04-22 | 05-09 | 04-15 | 04-20 | snowmachine | 04-29 | |
| Gulkana River | Gakona | 05-08 | 2006 | |||||||
| Gulkana River | Gakona | 05-05 | 2007 | |||||||
| Gulkana River | Gakona | 05-06 | 2008 | 05-06 | 05-25 | 04-14 | 04-22 | Snowmachine | 05-06 | |
| Gulkana River | Gakona | 04-30 | 2009 |