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 road's southern terminus is U.S. Route 385 about 6 miles (9.7 km) east of Pringle, South Dakota, or 14 miles (23 km) north of Hot Springs. The highway passes through Custer State Park and Wind Cave National Park. The northern 14 miles (23 km) of the highway is also known as the Needles Highway. The Needles Highway, along with the US 16A concurrency, are also part of the Peter Norbeck Scenic Byway. Portions of the highway are also a section of Custer State Park's Wildlife Loop.