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).
The historic district here, open in the summer only, encompasses 13 miles of the old Denver, South Park and Pacific rail bed from the town site of Quartz (Gunnison County) to Hancock (Chaffee County). To the north, interesting ghost towns dot popular four-wheel-drive stretches on Tin Cup and Cottonwood Passes.