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Data Dictionary

Column Type Label Description
Year text
Period text
Mining numeric
Weight numeric

Additional Information

Field Value
Data last updated June 30, 2016
Metadata last updated June 30, 2016
Created June 30, 2016
File Format CSV
License Creative Commons Attribution

Openness:
Reason: Content of file appeared to be format "CSV" which receives openness score: 3.
Checked: August 22, 2020