We hoofed it uphill to the unmistakable, creaking aria of an open gate, hinges hee-hawing like a cartoon burro in the breeze. The lock was rusted and busted. In the field where we expected to see Colorado’s best prep football talent grazing, we instead found a half-dozen Nebraska Cornhuskers stickers, a few copies of Bill Snyder’s autobiography and about four thick home-run chains with a giant Iowa State logo dangling at the end. Which explains, at least in part, how the heck Jackson Cowgill got out in the first place. “I did talk with (Karl) Dorrell’s staff and (also) when (Mike) Sanford was interim coach,” Cowgill, a 6-foot-5 defensive lineman out of Erie and three-star commit bound for Washington State, told me recently.