Russell Towle wrote:

> I use these landscape renderings to help understand local geology and
> geomorphology. One can often see changes in bedrock, or the difference
> between glacial, or purely fluvial, erosion regimes. This contrast is
> visible in the accompanying image: to the east north (right and up), the
> terrain was severely glaciated; to the west and south, the ice never
> reached, but the meltwater from the glaciers and ice caps rapidly deepened
> and oversteepened the canyons.

Earth forensics?  The crimes of glaciers.

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