botanical garden - a facility where trees and shrubs are cultivated for exhibition. arboretum. facility, installation - a building or place that provides a particular service or is used for a particular industry; the assembly plant is an enormous facility.
Keystone, CO Weather. The average temperature of Keystone is 35.80Â°F, which is much lower than the Colorado average temperature of 46.26Â°F and is much lower than the national average temperature of 54.45Â°F. Historical Weather.
None of the incidents involved the pipe in the ground-the integrity of Keystone is sound.. The two most recent leaks to the existing 2,143-mile pipeline, which carries crude oil from Alberta to Cushing, Okla., were much larger than the nine earlier ones that Girling described.