Great Lakes Dropping Lester Graham reports on the alarming drop in water level in the Great Lakes. More than 200-million tons of material is shipped annually by Great Lakes carriers, and the waterways serve almost a third of the nation's population. But over the past two years, the lakes have dropped at a record-breaking pace.
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Great Lakes Dropping

Only Available in Archive Formats.
Great Lakes Dropping

Great Lakes Dropping

Great Lakes Dropping

Only Available in Archive Formats.

Lester Graham reports on the alarming drop in water level in the Great Lakes. More than 200-million tons of material is shipped annually by Great Lakes carriers, and the waterways serve almost a third of the nation's population. But over the past two years, the lakes have dropped at a record-breaking pace.