1 Very low-sodium foods contain 35 mg or less per serving. 2  Salt-free/sodium-free foods must contain no more than 5 mg per serving.
Coal County, Oklahoma. Coal County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 5,925. Its county seat is Coalgate.
The town of Hanna is yet another example of Carbon Countyâs diversity. Lying as it does in the center of one of Wyomingâs largest and richest coalfields, Hanna has an equally rich past and present. Mining has been the mainstay in this part of the county since coal was discovered here in the late 1800s.