BlockHelena, Iowa
8 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1984. It stands in Richland Township. It lies in ZIP code area 52339. The Survey maps it on the Chelsea quadrangle.
Topographic sheets covering this place
6 surveys from 8 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.
- 1954 USGS Des Moines quadrangle1:250000, 2 printings
- 1956 USGS Des Moines quadrangle1:250000
- 1957 USGS Des Moines quadrangle1:250000
- 1968 USGS Chelsea quadrangle1:24000
- 1969 USGS Des Moines quadrangle1:250000
- 1984 USGS Grinnell quadrangle1:100000, 2 printings
Fires near this place
20 since 2009Regional context, not property-specific evidence. The federal wildfire occurrence database lists 20 fires within 5 miles of Helena between 2009 and 2020, burning about 526 acres in total. None started naturally. 5 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 |
|---|---|
| Debris and open burning | 9 |
| Missing data/not specified/undetermined | 6 |
| Arson/incendiarism | 5 |
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 |
|---|---|---|---|---|
| 14 June 2016 | Missing data/not specified/undetermined | 250 acres | Iowa Department of Natural Resources | DNR WILDLIFE |
| 8 April 2016 | Arson/incendiarism | 30 acres | Iowa Department of Natural Resources | TAMA |
| 24 April 2018 | Debris and open burning | 25 acres | Iowa Department of Natural Resources | not named |
| 21 April 2020 | Debris and open burning | 40 acres | Iowa Department of Natural Resources | not named |
| 21 April 2020 | Arson/incendiarism | 10 acres | Iowa Department of Natural Resources | not named |
| 20 April 2019 | Debris and open burning | 50 acres | Iowa Department of Natural Resources | not named |
| 2 April 2011 | Missing data/not specified/undetermined | 5.0 acres | Iowa Department of Natural Resources | 3173 310TH TOLEDO, IA, IA |
| 12 April 2015 | Debris and open burning | under an acre | Iowa Department of Natural Resources | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
1 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Helena: 1 past producer. None of them still produces. What was taken out: Sand and Gravel, Construction. 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 |
|---|---|---|---|---|
| Unknown | Sand and Gravel, Construction | 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 |
|---|---|---|---|
| Long Point | 1.8 miles | 8 | |
| Haven | 2.0 miles | 8 | |
| Gladstone | 3.2 miles | 8 | |
| Chelsea | 4.2 miles | 8 | |
| Tama | 6.3 miles | 8 | |
| Vining | 6.9 miles | 8 | |
| Toledo | 7.5 miles | 8 | |
| Redman (historical) | 9.9 miles | 9 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 464576. 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.