This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Hypothetical supplydemand situation for copper adapted from Truett and Truett . en Hypothetical supplydemand situation for copper adapted from Truett and Truett Economic Drivers of Mineral Supply Geological Survey OpenFile Report Lorie Wagner Daniel Sullivan and John Sznopek other versions PDUSGov Uploaded with Economic information