Article Photos: From Rockies to Rust Belt, storm brings extremes 12/16

Aliyah Fernandez, 6, leaps into the powder as the family dog Boo Boo runs behind at Washington Park on Wednesday, April 17, 2013, Casper, Wyo. A persistent spring snowstorm socked much of Wyoming for a third straight day Wednesday, closing major interstates and boosting sales of snow removal equipment that had been stowed away for the season. (AP Photo/Dan Cepeda, Casper Star-Tribune)