Instant MUSKRAT SET

It was well below freezing, and the snow was blowing sideways across the featureless desert that was once the Great Black Swamp on the western shore of Lake Erie. Fortunately, the roads were still windswept, and I could pedal my single-speed Columbia bicycle, although riding into the wind was a challenge.

While the roads are swept clean, the ditches that provide drainage for this swamp are rapidly filling with snow. These ditches are