What is Combined Chlorine (Chloramine)? Combined chlorine, also collectively called chloramines, is created by the reaction of free chlorine with contaminates in the pool, often from the ammonia and nitrogen byproducts producing from swimmers and microorganisms.
For population 15 years and over in Crook town: Nearest city with pop. 50,000+: Greeley, CO (105.5 miles , pop. 76,930). Nearest city with pop. 200,000+: Aurora, CO (133.0 miles , pop. 276,393). Nearest city with pop. 1,000,000+: Dallas, TX (648.9 miles , pop. 1,188,580).
Grand Canyon Village (South Rim) is located 60 miles North of Interstate 40 at Williams via Highway 64, and 80 miles Northwest of Flagstaff via Highway 180. Only ten miles from rim to rim as the crow flies, the North Rim is 215 miles (about 4 1/2 hours) from the South Rim by car. Please watch for animals and drive carefully. Please note that gasoline is only available inside of the park seasonally at Desert View.