approximatePeakProductionPeriod
P200110
predicate
Indicates the time span during which an entity’s production level is estimated to be at or near its maximum.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| historicalPeakProduction | 2 |
Sample triples (4)
| Subject | Object |
|---|---|
| Lake Superior iron ranges | late 19th century via predicate surface "historicalPeakProduction" ⓘ |
| Lake Superior iron ranges | early 20th century via predicate surface "historicalPeakProduction" ⓘ |
| Ninian oil field | 1980s ⓘ |
| Wytch Farm oil field | 1990s ⓘ |