Some important essential oil guidelines to remember: Essential oils should be diluted in a carrier oil to a maximum of 5% (see these 5 Face Oils For Naturally Clear, Flawless Skin and The Best Face Oils By Skin Type). So since 1 ml is 20 drops, for every 1 ml of carrier oil, you would add 1 drop of EO.
The San Francisco Peaks are composed of six peaks, including the four highest in Arizona: Humphreys Peak, 12,637 feet (3,851 m), Agassiz Peak, 12,356 feet (3,766 m), Fremont Peak, 11,969 feet (3,648 m), Aubineau Peak, 11,838 feet (3,608 m), Rees Peak, 11,474 feet (3,497 m), and Doyle Peak, 11,460 feet (3,493 m).
The mountain region in Arizona winds across the state from corner to corner. of the mountains are 4,000 to 6,000 feet high. however, is Mount Graham near Safford, which is 10,713 feet tall. We get much of our water from dams that store water coming from the mountains.