With the summer heat peaking, it鈥檚 a wonder that SM调教所 Boulder鈥檚 lawns stay pristine. Here are 10 interesting facts about SM调教所鈥檚 irrigation system which gets the job done: SM调教所 has the largest centrally-controlled irrigation system west of the Mississippi River. All told, campus has over 66,000 sprinkler heads. The sprinklers...