Icebreaking
http://www.piersystem.com/go/site/443/
Photos of icebreaking operations on the Great Lakes
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MACKINAW BREAKING ICE
http://www.piersystem.com/go/doc/443/203206/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-16T15:48:04-05:00
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MACKINAW BREAKING ICE
http://www.piersystem.com/go/doc/443/202138/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-13T16:06:48-05:00
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enhance21.jpg
http://www.piersystem.com/go/doc/443/202137/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-13T16:05:35-05:00
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MACKINAW BREAKING ICE
http://www.piersystem.com/go/doc/443/202136/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-13T16:04:20-05:00
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MACKINAW ICE BREAKING
http://www.piersystem.com/go/doc/443/200927/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-13T16:02:20-05:00
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KATMAI BAY BREAKING ICE
http://www.piersystem.com/go/doc/443/202135/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-13T16:01:56-05:00
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Mackinaw Crew Measures Ice Thickness
http://www.piersystem.com/go/doc/443/200968/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-02T15:54:49-05:00
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BISCAYNE BAY ICE BREAKING
http://www.piersystem.com/go/doc/443/200926/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-02T11:06:00-05:00
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Bristol Bay Buoy Ops
http://www.piersystem.com/go/doc/443/200922/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-02T10:54:17-05:00
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Mackinaw takes a break from ice trials
http://www.piersystem.com/go/doc/443/200901/
Icebreaking
U.S. Coast Guard - 9th District
2008-05-02T08:09:24-05:00