The criterion level, often abbreviated as Lc, is the steady noise level permitted for a full eight-hour work shift. This is 85 dB(A) in most jurisdictions, but it is 90 dB(A) in Quebec and 87 dB(A) for organizations that follow the Canadian federal noise regulations.
Royal Catchfly (Silene regia) This striking plant may grow as high as five feet, with bright red flowers. It flowers from May through September, and can be seen in remnant prairies and open woods. In Missouri, it is known only in the Ozarks.
The book Where the Red Fern Grows takes place in the Ozark Mountains in Oklahoma during the Great Depression. During this time all the people were going through a struggle, especially farmers. Since there were very few jobs available a lot of people had a hard time buying food for the week.