BlockBig Rock, Iowa
15 topographic sheets cover this place, the earliest surveyed in 1892 and the latest in 1991. It stands in Liberty Township. It lies in ZIP code area 52745. The Survey maps it on the Wheatland quadrangle. 49 people lived here at the 2020 count. It stands 676 feet above sea level.
Topographic sheets covering this place
10 surveys from 15 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.
- 1892 USGS Wheatland quadrangle1:62500
- 1894 USGS Wheatland quadrangle1:62500, 2 printings
- 1901 USGS Rock Island quadrangle1:125000, 2 printings
- 1910 USGS Rock Island quadrangle1:125000
- 1953 USGS Wheatland quadrangle1:24000, 2 printings
- 1958 USGS Davenport quadrangle1:250000, 2 printings
- 1961 USGS Davenport quadrangle1:250000
- 1962 USGS Davenport quadrangle1:250000
- 1984 USGS Davenport quadrangle1:100000, 2 printings
- 1991 USGS Wheatland quadrangle1:24000
Fires near this place
1 since 2014Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1 fire within 5 miles of Big Rock in 2014, burning about 150 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 |
|---|---|
| Debris and open burning | 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 |
|---|---|---|---|---|
| 2 April 2014 | Debris and open burning | 150 acres | Iowa Department of Natural Resources | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
4 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Big Rock: 4 past producers. None of them still produces. What was taken out: Stone, Crushed/Broken, 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 |
|---|---|---|---|---|
| Koester Pit | Sand and Gravel, Construction | Past Producer | ||
| Parks Quarry | Stone, Crushed/Broken | Past Producer | ||
| Unknown | Stone, Crushed/Broken | Past Producer | ||
| Unknown | Stone, Crushed/Broken | 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 |
|---|---|---|---|
| Dixon | 3.0 miles | 16 | |
| New Dixon | 3.8 miles | 16 | |
| New Liberty | 4.6 miles | 15 | |
| Plainview | 7.4 miles | 16 | |
| Hickory Grove | 8.9 miles | 18 | |
| Donahue | 9.5 miles | 18 | |
| Maysville | 10.2 miles | 18 | |
| Walcott Eststes | 12.4 miles | 15 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikipedia article on Big Rock | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q4906225 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 454621. 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.