But I swooned when I found lacy contour line-like patterns in the thin sheet atop a marshy pool gently rising and falling in the freezing and thawing. I sent the pic to a friend, querying "Is this map or territory?"
His wise reply: "Both?" These Catskills, I've learned, aren't really mountains fot he usual sort but a "mature dissected plateau" of miles-deep runoff from a vanished mountain range as high as the Himalayas, carved by meandering waterways as it was raised, and much later, as it moved north from below the Equator, scoured by glaciers.

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