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).
Most of the central San Juan Mountains are reachable only on foot or jeep trails - an area 40 miles square with no paved roads that includes about 80 miles of the continental divide, and is thought by some to be the last refuge of grizzly bears in Colorado.