FILE - In this July 13, 2007, file photo, workers with the Pebble Mine project test drill in the Bristol Bay region of Alaska, near the village of Iliamma. (AP Photo/Al Grillo, File) When the Army Corps of Engineers released the Final Environmental Impact Statement for the proposed Pebble mine, the reaction from the Pebble Limited Partnership was predictable. Pebble declared it had “passed a critical milestone” for the mine meeting a high standard for permitting.