BlockBoulder Junction, Colorado
26 topographic sheets cover this place, the earliest surveyed in 1904 and the latest in 1984. It stands in the Boulder census division. It lies in ZIP code area 80301. It lies near Valmont Butte. The Survey maps it on the Niwot quadrangle.
Topographic sheets covering this place
11 surveys from 26 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.
- 1904 USGS Niwot quadrangle1:62500, 3 printings
- 1950 USGS Niwot quadrangle1:24000, 4 printings
- 1951 USGS Niwot quadrangle1:24000
- 1954 USGS Greeley quadrangle1:250000, 3 printings
- 1957 USGS Greeley quadrangle1:250000
- 1958 USGS Greeley quadrangle1:250000
- 1961 USGS Greeley quadrangle1:250000
- 1964 USGS Greeley quadrangle1:250000
- 1965 USGS Greeley quadrangle1:250000
- 1967 USGS Niwot quadrangle1:24000, 7 printings
- 1984 USGS Estes Park quadrangle1:100000, 3 printings
Fires near this place
907 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 907 fires within 5 miles of Boulder Junction between 1992 and 2020, burning about 855 acres in total. 17 started naturally. 21 were 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 | 726 |
| Equipment and vehicle use | 46 |
| Smoking | 42 |
| Arson/incendiarism | 21 |
| Recreation and ceremony | 20 |
| Natural | 17 |
| Debris and open burning | 12 |
| Fireworks | 9 |
| Misuse of fire by a minor | 7 |
| Power generation/transmission/distribution | 3 |
| Railroad operations and maintenance | 3 |
| 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 |
|---|---|---|---|---|
| 9 September 2017 | Missing data/not specified/undetermined | 5.0 acres | Boulder Fire Rescue Department | UNKNOWN |
| 8 September 2017 | Missing data/not specified/undetermined | under an acre | Boulder Fire Rescue Department | UNKNOWN |
| 8 September 2017 | Missing data/not specified/undetermined | under an acre | Boulder Fire Rescue Department | UNKNOWN |
| 8 September 2016 | Missing data/not specified/undetermined | under an acre | Boulder Fire Rescue Department | UNKNOWN |
| 8 September 2014 | Equipment and vehicle use | under an acre | Boulder Fire Rescue Department | UNKNOWN |
| 7 September 2020 | Missing data/not specified/undetermined | under an acre | Boulder Fire Rescue Department | N/A |
| 6 September 2020 | Smoking | under an acre | Boulder Fire Rescue Department | N/A |
| 5 September 2020 | Missing data/not specified/undetermined | under an acre | Rocky Mountain Fire Protection District | N/A |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 64 shownRegional context, not property-specific evidence. The federal mineral resources record lists 64 workings within 5 miles of Boulder Junction: 38 past producers, 15 producers, 11 occurrences. 15 still produce. What was taken out: Gold, Silver, Sand and Gravel, Construction, Clay. 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 |
|---|---|---|---|---|
| Buckskin Joe No 1 | Gold, Copper, Lead, Silver, Zinc | Past Producer | ||
| East Boston | Gold, Copper, Silver, Lead | Past Producer | ||
| Fox Hills Outcrop | Coal, Uranium | Past Producer | ||
| Lewis Lode | Bituminous, Uranium | Past Producer | ||
| Marshal Or Langford Surface Iron | Iron | Producer | Limonite, Siderite | |
| Oklahoma | Gold, Lead, Silver, Tungsten | Past Producer | ||
| Tri State | Flagstone | Past Producer | ||
| Valmont Mill | Silver, Copper, Gold, Zinc, Lead | Past Producer | ||
| Ozark-Mahoning | Fluorine-Fluorite | Past Producer | ||
| Valmont | Fluorine-Fluorite | Past Producer |
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 |
|---|---|---|---|
| Valmont | 1.1 miles | 26 | |
| Ara | 2.3 miles | 29 | |
| Paragon Estates | 3.0 miles | 25 | |
| Boulder | 3.3 miles | 29 | |
| Gunbarrel | 3.6 miles | 26 | |
| Marshall | 4.4 miles | 25 | |
| Liggett | 4.4 miles | 26 | |
| Louisville | 4.9 miles | 25 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 178714. 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.