| March 31st | 2020 5:15PM
Ex-wildlife chief: Trump rule could kill billions of birds
BUTTE, Mont. (AP) — At a former open pit copper mine filled with billions of gallons of toxic water, sirens and loud pops from propane cannons echo off the granite walls to scare away birds so they don’t land.
After several thousand migrating snow geese perished in the Berkeley Pit's acidic, metal-laden waters in 2016, its owners deployed…