Image:Castleguard flags.jpg

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Flagged soda straws in Castleguard Cave, Canada. Flags point in the direction of the cave's only known entrance, presumably influenced by the direction of the summer draught when water infiltration and calcite precipitation is the most active. Photo by Ian McKenzie, Calgary, Canada.

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Date/TimeDimensionsUserComment
current21:13, 27 February 2006400×268 (31 KB)Ian mckenzie (Talk | contribs) (photo by Ian McKenzie )

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