From the record
One of 21 National Register listings published here for El Dorado County · listed in 2025 · category: Building.
Sources: the National Register database, National Park Service
Listed on the National Register of Historic Places in 2025. 11 historic topographic surveys show this location, the earliest from 1891.
One of 21 National Register listings published here for El Dorado County · listed in 2025 · category: Building.
Sources: the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1,103 fires within 5 miles of Jacob Zentgraf House between 1992 and 2020, burning about 3,205 acres in total. 9 started naturally. 91 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 | 404 |
| Equipment and vehicle use | 358 |
| Debris and open burning | 107 |
| Arson/incendiarism | 91 |
| Misuse of fire by a minor | 67 |
| Smoking | 31 |
| Power generation/transmission/distribution | 20 |
| Recreation and ceremony | 12 |
| Natural | 9 |
| Other causes | 3 |
| Fireworks | 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 2018 | Equipment and vehicle use | 2.5 acres | California Department of Forestry & Fire Protection | NEUMANN |
| 9 September 2014 | Equipment and vehicle use | under an acre | Amador-El Dorado Unit | 50 |
| 9 September 2000 | Missing data/not specified/undetermined | under an acre | Amador-El Dorado Unit | GREEN |
| 9 September 1998 | Missing data/not specified/undetermined | under an acre | Amador-El Dorado Unit | RITE |
| 9 September 1993 | Misuse of fire by a minor | under an acre | Amador-El Dorado Unit | CIMMARON |
| 8 September 2016 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | BASS |
| 8 September 2015 | Arson/incendiarism | under an acre | Amador-El Dorado Unit | AMBUSH |
| 8 September 2009 | Missing data/not specified/undetermined | under an acre | Amador-El Dorado Unit | 50 |
Regional context, not property-specific evidence. The federal mineral resources record lists 132 workings within 5 miles of Jacob Zentgraf House: 55 occurrences, 38 unknowns, 31 past producers, 5 prospects. 3 still produce. What was taken out: Gold, Chromium, Silver, Iron. 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 |
|---|---|---|---|---|
| Drumlummon Claim | Copper, Silver, Zinc | Prospect | ||
| Foothill Pit | Sand and Gravel, Construction | Producer | ||
| Marble Valley Quarry | Stone, Crushed/Broken | Producer | ||
| Pilot Knob | Silver, Gold | Occurrence | ||
| Boneset | Gold, Copper, Lead | Past Producer | Chalcopyrite, Galena, Gold, Pyrite | |
| Darrington Mine | Chromium, Iron | Past Producer | 1914 | |
| Joerger Mine | Chromium, Iron | Past Producer | 1918 | |
| Pyramid | Gold, Copper, Lead | Past Producer | Chalcopyrite, Galena, Gold | |
| Reliance | Iron | Occurrence | ||
| Reliance | Iron | Unknown |
Regional context, not property-specific evidence. The National Weather Service names Rescue, the town this property stands in, in 1 storm report in 2020: 1 flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| April 2020 | Flood | Rescue | - | California Highway Patrol reported roadway flooding between Green Valley Rd and Lotus Rd near Rescue. |
United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.
| National Archives record | The nomination case file for reference 100010882 in Record Group 79. |
| El Dorado County | All 21 listed properties in this county. |