Clyde Miller Elementary fourth graders unloaded lunch bins from the bus on a chilly Friday around 10:00 AM. Four groups split off in different directions at the Plains Conservation Center. Invested staff from Denver Botanic Gardens led our educational programs. Ms. Judy told us the spiky yucca plant had many uses for Native Americans. Observant students noticed it had been chewed on--likely by a pronghorn antelope. The tipi encampment is nested amidst the far expanses of flat