The largest river delta to ever ... examining seismic data. The delta was so large, if it were around today, at roughly 637,100 square miles, it easily covers Alaska with mileage to spare.

BLACK RAPIDS OF THE DELTA ... River valley. They are hard to find today because the forest has moved in. The scientists were able to see the divots on detailed LiDAR imagery from the Alaska ...

That’s the largest active fire in Alaska — and it’s barely May ... possibly threatening state timber along the Delta River and Delta Creek. The fire was burning in a military training ...