Koyl, Montana
11 topographic sheets cover this place, the earliest surveyed in 1920 and the latest in 1987. It stands in the Choteau census division. It lies in ZIP code area 59422. The Survey maps it on the Bynum quadrangle.
Topographic sheets covering this place
9 surveys from 11 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1920 USGS Choteau quadrangle1:125000
- 1955 USGS Choteau quadrangle1:250000
- 1957 USGS Choteau quadrangle1:250000
- 1958 USGS Choteau quadrangle1:250000, 2 printings
- 1960 USGS Bynum quadrangle1:62500, 2 printings
- 1962 USGS Choteau quadrangle1:250000
- 1976 USGS Choteau quadrangle1:250000
- 1984 USGS Choteau quadrangle1:100000
- 1987 USGS Bynum quadrangle1:24000
Fires near this place
8 since 2017Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Koyl between 2017 and 2020, burning about 24 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 5 |
| Equipment and vehicle use | 2 |
| Other causes | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 1 September 2017 | Missing data/not specified/undetermined | under an acre | Central Land Office | CHOTEAU |
| 5 August 2020 | Equipment and vehicle use | 2.0 acres | Teton County | KESLER ASSIST |
| 31 August 2017 | Missing data/not specified/undetermined | under an acre | Central Land Office | CHOTEAU |
| 2 August 2019 | Missing data/not specified/undetermined | under an acre | Teton County | not named |
| 28 March 2017 | Missing data/not specified/undetermined | 5.0 acres | Central Land Office | CHOTEAU |
| 28 March 2017 | Missing data/not specified/undetermined | 10 acres | Central Land Office | PENDROY |
| 24 October 2017 | Equipment and vehicle use | 6.0 acres | Central Land Office | CHOTEAU |
| 24 October 2017 | Other causes | 1.0 acres | Central Land Office | CHOTEAU |
Settlements close enough to share some of these fires:
Mines and quarries near this place
2 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Koyl: 1 prospect, 1 occurrence. None of them still produces. What was taken out: Titanium, Iron, Zinc, Iron, REE, Titanium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Choteau Iron Deposit | Titanium, Iron, Zinc | Prospect | ||
| Titanium Occurrence | Iron, REE, Titanium | Occurrence |
Storms near this place
6 since 2022Regional context, not property-specific evidence. The National Weather Service names Koyl in 6 storm reports between 2022 and 2025: 4 hail, 2 thunderstorm wind. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| July 2025 | Thunderstorm Wind | Koyl | - | Estimated wind gusts near 60 mph with a thunderstorm on Wednesday evening. Time of event is estimated. |
| August 2023 | Thunderstorm Wind | Koyl | - | Peak gust measured by COOP observer. |
| July 2022 | Hail | Koyl | - | Report from MPING of ping pong ball sized hail (1.5 inch). |
| July 2022 | Hail | Koyl | - | Report from MPING of golf ball sized hail (1.75 inch). |
| July 2022 | Hail | Koyl | - | Public report of 1 inch half. Time and location estimated. |
| July 2022 | Hail | Koyl | - | Trained spotter reported golf ball sized hail increasing to baseball sized hail. |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Miller Colony | 2.3 miles | 11 | |
| Farmington | 5.1 miles | 11 | |
| Truchot Hill | 5.8 miles | 11 | |
| Malone | 5.8 miles | 11 | |
| Bynum | 6.0 miles | 11 | |
| Choteau | 7.4 miles | 11 | |
| Choteau Junction | 8.0 miles | 11 | |
| Burton (historical) | 8.1 miles | 11 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 773129. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.








