Database fields in category Site identification

Label Statistics Description
positionShow statistics for this fieldUnique identifying number corresponding to label on map published as Open-File Report 20010-1254. Also used in Notes field as an identifier for other operations when capacities are combined. Please note that closed facilities are not included in this rep
rec_idShow statistics for this fieldRecord identifier without further scientific significance
yearShow statistics for this fieldThe year for which the facility capacity and activity status is valid, derived from the Minerals Yearbook.