アメリカ内務省のインスタグラム(usinterior) - 1月15日 01時21分

Eagle Lake Area of Critical Environmental Concern is 5,100 feet above sea level in northeast #California and subject to harsh #winter conditions. Having no natural surface outlet, #EagleLake is a closed basin lake with its water levels fluctuating with variations of inflow. As temperatures drop below freezing, fascinating #ice formations are created on the surface. Photo by Bob Wick, @mypubliclands.

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