Objects made from copper were rare in the region and it was ... that I was dealing with something much older than the military items from World War I and II that I was looking for in this area ...

scrap copper and derivative products made from the metal. A result is expected quickly. Sign up here. Here's what you need to know about U.S. copper imports: The United States produces ...

refined copper, alloys, scrap and certain derivative products that are made with copper. Rebecca F. Elliott contributed reporting. Ana Swanson covers trade and international economics for The ...

scrap copper and derivative products made from the metal. A result is expected quickly. Here's what you need to know about U.S. copper imports: The United States produces domestically just over ...