BlockAjax, South Dakota
16 topographic sheets cover this place, the earliest surveyed in 1894 and the latest in 1977. It stands in the Rapid City East unorganized territory. It lies in ZIP code area 57744. The Survey maps it on the Hermosa NW quadrangle.
Topographic sheets covering this place
5 surveys from 16 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.
- 1894 USGS Hermosa quadrangle1:125000, 2 printings
- 1901 USGS Hermosa quadrangle1:125000, 4 printings
- 1953 USGS Hermosa NW quadrangle1:24000, 3 printings
- 1955 USGS Hot Springs quadrangle1:250000, 5 printings
- 1977 USGS Mount Rushmore quadrangle1:100000, 2 printings
Fires near this place
41 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 41 fires within 5 miles of Ajax between 1992 and 2020, burning about 5,836 acres in total. 13 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 |
|---|---|
| Natural | 13 |
| Missing data/not specified/undetermined | 10 |
| Equipment and vehicle use | 7 |
| Debris and open burning | 6 |
| Power generation/transmission/distribution | 2 |
| Smoking | 1 |
| Railroad operations and maintenance | 1 |
| Misuse of fire by a minor | 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 |
|---|---|---|---|---|
| 8 September 2012 | Equipment and vehicle use | under an acre | South Dakota Wildland Fire Suppression | HART RANCH |
| 4 September 2002 | Natural | 8.0 acres | South Dakota Wildland Fire Suppression | HERMOSA |
| 4 September 2002 | Natural | 1,000 acres | Rapid Valley Volunteer Fire Department | HWY 79 COMPLEX |
| 4 September 2002 | Natural | 700 acres | South Dakota Wildland Fire Suppression | SOUTH 79 COMLPEX |
| 18 September 2008 | Natural | under an acre | South Dakota Wildland Fire Suppression | not named |
| 24 August 2011 | Missing data/not specified/undetermined | 28 acres | South Dakota Wildland Fire Suppression | LOWER SPRING CREEK CA |
| 17 August 1992 | Equipment and vehicle use | 10 acres | South Dakota Wildland Fire Suppression | MCMANN |
| 12 August 2018 | Missing data/not specified/undetermined | 1.3 acres | South Dakota Wildland Fire Suppression | ALKAN CA |
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 Ajax: 1 producer. All of them still produce. What was taken out: Zinc, Gold, Copper. 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 |
|---|---|---|---|---|
| Juniper Silver Mine | Zinc, Gold, Copper | Producer | Gold, Quartz |
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 |
|---|---|---|---|
| Warbonnet | 7.5 miles | 16 | |
| Hayward (historical) | 8.3 miles | 23 | |
| Green Valley | 10.2 miles | 16 | |
| Rockerville | 10.3 miles | 19 | |
| Stratosphere Bowl | 10.3 miles | 19 | |
| Colonial Pine Hills | 10.4 miles | 16 | |
| Murphy | 10.5 miles | 19 | |
| Frenchtown (historical) | 10.7 miles | 21 |
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 Ajax | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q19600046 | 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 1260972. 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.