What were the first minerals to be mined in America?

Was Ohio union or confederate? What can you conclude about the importance of movies in American life based on the average weekly audience in the 1930's? Value of a 1947 s wheat penny? Did the North win in the Battle of Shiloh? Where can you find information about a 1975 Lincoln penny with the state of Illinois stamped on it? Who was the first American writer to be acknowledged outside the US? First written constitution in the American colonies? Whats the worth of a 1903 twenty dollar gold coin? What is the name of the ocean the pilgrims crossed? What was The effective northern effort to strangle the southern economy and de-throne king cotton? What do you have to do to keep your land? Where can someone find out the value of a 1878 morgan silver dollar? When did people stop making silver coins? Where was the worst conditions of the Civil War were found? Were African-Americans and Native Americans enemies or friends? What succession happened in the civil war? What is the price of a 1949 silver dime? Did the federalist or anti federalist have the idea of popular sovereignty? How were the boundaries of the US changed between 1812 and 1821? American expansion abroad was fueled by all of the following EXCEPT .?