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.
Both pipelines would be 42 inches in diameter (by comparison, Keystone XL would have been 36 inches). Weâre also working hard to challenge other major fracked-gas pipeline projects like the Mountaineer XPress and the WP XPress in West Virginia as well as the Atlantic Sunrise and Susquehanna West in Pennsylvania.