Montana stocking report
First Rock Lake
1 record Last stocked: July 7, 1931
The short answer
First Rock Lake was last stocked on July 7, 1931: 20,000 Brook Trout (2 in avg).
Location map
First Rock Lake location context
First Rock LakeCarbon County Greenough LakeCarbon County Wild Bill LakeCarbon County Cooney ReservoirCarbon County Big Butte LakeCarbon County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| July 7, 1931 | Brook Trout | 20,000 | 2 in avg | Yellowstone River Trout Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .
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