1. T Benedict, W. D. Shepperd, D. Binkley, D. L. Bartos, T. J. Thomas, and L. G. Eskew, 2001 . Aspen regeneration in South-Central Colorado, San Isabel National Forest . Pages 377 -386 in , compilers. USDA Forest Service Rocky Mountain Research Station, RMRS-P18, Grand Junction, Colorado.