The mid-April snowstorm that buried parts of east-central Wisconsin in more than 30 inches of snow left numerous collapsed barns and dead cattle in its wake. But those staggering Blizzard Evelyn snowfall totals — some of which were twice as high when factoring in drifts — didn’t cause the collapses, said David Bohnhoff, emeritus professor in the Biological Systems Engineering Department at UW-Madison.