قنوات يوتيوب مثل USGS

USGS

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Kīlauea Volcano Live Stream - Halemaʻumaʻu crater
Kīlauea Summit Eruption | Lava Returns to Halemaʻumaʻu
Collecting water data for the U.S.
Image of the Week - Landsat and Our Tilted Planet
Sediment Transport in San Francisco Bay
Ship Wrecked in Yellowstone Lake? (Yellowstone Volcano Mo...
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