In the recreation-fueled, amenity-rich economy of Colorado’s Rocky Mountain region, there are two peak seasons: summer, with its rafting, hiking, fishing and biking, and the cold months filled with skiing and other winter activities. And then there is “mud season” — a liminal moment in spring when the alpine environment, slowly then suddenly, begins to thaw and only a trickle of tourists linger. It’s a period that workers in other places might bemoan. But for much of the financially stretched wo