Database: Examine overall pay to NC public employees. The NC treasurer's office reported $21.4 billion paid to public employees in 2015. Find how much by county, cities, towns, agencies and school systems.
Summary: Sir Humphry Davy, Joseph Louis Gay-Lussac and Louis Jacques Thenard first discovered boron in 1808. Interesting Facts About Boron. 1  There are 2 stable isotopes of boron (boron-10 and boron-11).  Turkey and the United States are the worldâs largest producers of boron.
Some of the oldest cotton bolls were discovered in a cave in TehuacÃ¡n Valley, Mexico, and were dated to approximately 5500 BCE, but some doubt has been cast on these estimates. Seeds and cordage dating to about 2500 BCE have been found in Peru. By 3000 BCE cotton was being grown and processed in Mexico, and Arizona.