This guide is divided into three sections and is based on the drug classification system developed nearly 20. years ago by Paul H. Earley, M.D. and later upon by Bruce Merkin, M.D. and his associates, then at Glenbeigh.
Sponsored Topics. Rockwell City is a city in Calhoun County, Iowa, United States. The population was 2,264 at the 2000 census. It is the county seat of Calhoun County. Rockwell City is located at 42Â°23â²45â³N 94Â°37â²59â³W / 42.39583Â°N 94.63306Â°W / 42.39583; -94.63306 (42.395906, -94.632946).
Waterloo, Iowa. Waterloo is a city in and the county seat of Black Hawk County, Iowa, United States. As of the 2010 United States Census the population decreased by 0.5% to 68,406; a recent 2014 Census estimates the population at 68,364, making it the sixth-largest city in the state.