Our world, it feels, unfolds with the fixed ticking away of clock time.What if, instead, we looked to the tree rings to tell time, to which species are dormant and which in bloom?

+wild chronometry+

At a river oxbow in Montana, in a pristine canyon with volcanic rock formations above, a sculptural clock will track three types of time.

First, the languid time of drift boats and human passers-by, who can, if they wish, turn a crank to advance the clock's wheels.Second, the sun-time of equinox, when light strikes through its edifices and the season's turn again.And finally, the time of rainfall and stone, as the faceted supports erode over time, leaving like tree-rings the memory of past storms.

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