BlockFrom the record
One of 9 National Register listings published here for Hancock County · listed in 1995 · category: District.
Sources: the case file at the National Archives · the National Register database, National Park Service
Pilot Knob State Park: Portals in Area 5b
Listed on the National Register of Historic Places in 1995.
The listing
- What is counted as historic. The nomination lists 1 structure as contributing to the listing.
- Address. Off IA 9 SE of Forest City,y Pilot Knob State Park, Forest City, 50436
- When was it listed? April 1995
- Category. district
- Also known as. CCC Properties in Iowa State Parks MPS
- Township. Ellington township
- National Register reference number. 95000362 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Fires near this property
4 since 2009Regional context, not property-specific evidence. The federal wildfire occurrence database lists 4 fires within 5 miles of Pilot Knob State Park: Portals in Area 5b between 2009 and 2014, burning about 20 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 | 3 |
| 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 |
|---|---|---|---|---|
| 15 April 2009 | Missing data/not specified/undetermined | 5.0 acres | Iowa Department of Natural Resources | not named |
| 15 April 2009 | Missing data/not specified/undetermined | 8.0 acres | Iowa Department of Natural Resources | not named |
| 22 March 2009 | Missing data/not specified/undetermined | 6.0 acres | Iowa Department of Natural Resources | not named |
| 2 November 2014 | Debris and open burning | under an acre | Iowa Department of Natural Resources | not named |
Mines and quarries near this property
10 of 17 shownRegional context, not property-specific evidence. The federal mineral resources record lists 17 workings within 5 miles of Pilot Knob State Park: Portals in Area 5b: 7 producers, 5 unknowns, 5 past producers. 7 still produce. What was taken out: Sand and Gravel, Construction, Stone, Crushed/Broken. 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 |
|---|---|---|---|---|
| Fertile Quarry & Mill | Stone, Crushed/Broken | Producer | ||
| Forest City Pit | Sand and Gravel, Construction | Unknown | ||
| Friedman Pit | Sand and Gravel, Construction | Past Producer | ||
| Hanna Pit | Sand and Gravel, Construction | Producer | ||
| Kuhn Pit | Sand and Gravel, Construction | Producer | ||
| Laharve Pit | Sand and Gravel, Construction | Producer | ||
| Miller Pit | Sand and Gravel, Construction | Unknown | ||
| Otis Pit | Sand and Gravel, Construction | Producer | ||
| Torkelson Pit | Sand and Gravel, Construction | Producer | ||
| Torkelson Pit | Sand and Gravel, Construction | Producer |
Map coverage status
No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.
Listed places nearby
5 within 8 milesOther National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
| Pilot Knob State Park, Amphitheater (Area 4) | 0.2 miles | 1990 | |
| Pilot Knob State Park, Observation Tower (Area 2) | 0.4 miles | 1990 | |
| Pilot Knob State Park, Trail Area (Area 6a-6c) | 0.7 miles | 1990 | |
| Pilot Knob State Park, Portals (Area 5a) | 1.1 miles | 1990 | |
| Pilot Knob State Park, Picnic Shelter (Area 3) | 1.2 miles | 1990 |
Sources for this property
| National Archives record | The nomination case file for reference 95000362 in Record Group 79. |
| Hancock County | All 9 listed properties in this county. |
Provenance
- Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
- Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
- How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
- 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.