Regulators have received an unprecedented number of public comments on a controversial proposal to export millions of tons of coal out of southwest Washington.

The Army Corps of Engineers, Washington’s Ecology Department and Cowlitz County are preparing to sift through more than 163,000 comments to decide what environmental impacts should be reviewed.

Millennium Bulk Terminals-Longview wants to build and operate a $650 million terminal at Longview, Wash.

Read more at the Oregonian