Engineering:Larch ball
From HandWiki
The larch ball is a structure created when Western Larch needles floating in a lake become entangled in a spherical shape due to the action of waves and is a form of lake ball. They are most commonly known to form in Seeley Lake, Montana, however, they have also been known to form in similar regions such as Clark Fork and lakes in Tracy, New Brunswick such as Peltoma Lake, Big Kedron Lake, and Little Kedron Lake. Typical specimens are 3 to 4 inches (8 to 10 centimeters) in diameter. More rarely, larger ones are found.[1]
7 inch Larch Ball collected in Seeley Lake, Montana
Larch Ball Close Up
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