| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| OPEXMIN_F | Flag for expensed mineral exploration, development, land, and rights | Mining: Summary Statistics for the U.S., States, and Selected Geographies: 2017 | not required | OPEXMIN | 0 | string | EC1721BASIC | |