Astoria Canyon
Astoria Canyon is a submarine canyon 10 miles (16 km) offshore from the mouth of the Columbia River. The Missoula Floods helped carve Astoria Canyon.
Astoria Canyon is a submarine canyon 10 miles (16 km) offshore from the mouth of the Columbia River. The Missoula Floods helped carve Astoria Canyon.
Astoria Canyon is a submarine canyon 10 miles (16 km) offshore from the mouth of the Columbia River. The Missoula Floods helped carve Astoria Canyon.
Source: Wikipedia "Astoria Canyon" · CC BY-SA 4.0
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