BlockFrom the record
One of 44 National Register listings published here for Mariposa County · listed in 1975 · category: Site.
Sources: the case file at the National Archives · the National Register database, National Park Service
Big Gap Flume
Listed on the National Register of Historic Places in 1975. 13 historic topographic surveys show this location, the earliest from 1893.
The listing
- What is counted as historic. The nomination lists 1 site as contributing to the listing.
- Address. E of Groveland off CA 120 in Stanislaus National Forest, Groveland, 95321
- When was it listed? May 1975
- Category. site
- Census division. Coulterville
- National Register reference number. 75000438 - 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.
Then and now
1893 to 2001The ground this property stands on, surveyed 108 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.
Fires near this property
133 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 133 fires within 5 miles of Big Gap Flume between 1992 and 2020, burning about 261,143 acres in total. 16 started naturally. 33 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 |
|---|---|
| Arson/incendiarism | 33 |
| Missing data/not specified/undetermined | 31 |
| Equipment and vehicle use | 20 |
| Natural | 16 |
| Debris and open burning | 16 |
| Power generation/transmission/distribution | 5 |
| Smoking | 5 |
| Recreation and ceremony | 5 |
| Misuse of fire by a minor | 2 |
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 2005 | Smoking | under an acre | Stanislaus National Forest | WHEEL |
| 9 September 1999 | Natural | under an acre | Stanislaus National Forest | SAM |
| 8 September 1997 | Arson/incendiarism | under an acre | Stanislaus National Forest | PACKARD |
| 8 September 1997 | Arson/incendiarism | under an acre | Stanislaus National Forest | RIM |
| 7 September 1997 | Arson/incendiarism | under an acre | Stanislaus National Forest | LUMBSDEN |
| 5 September 1998 | Natural | under an acre | Stanislaus National Forest | RIDGE |
| 30 September 2006 | Arson/incendiarism | under an acre | Stanislaus National Forest | ARGO |
| 29 September 1999 | Arson/incendiarism | 1.0 acres | Stanislaus National Forest | PIGEON |
Mines and quarries near this property
10 of 20 shownRegional context, not property-specific evidence. The federal mineral resources record lists 20 workings within 5 miles of Big Gap Flume: 8 occurrences, 5 past producers, 3 unknowns, 3 prospects. 1 still produces. What was taken out: Gold, Stone. 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 |
|---|---|---|---|---|
| Quarry | Stone | Unknown | ||
| Airdale No. 1 & 2 | Gold | Occurrence | ||
| Argo Pioneer | Gold | Past Producer | Gold, Pyrite | |
| Argo Pioneer | Gold | Occurrence | ||
| Australian Gulch | Gold | Past Producer | ||
| Cincinnati, Ohio | Gold | Occurrence | ||
| Dorsey Placer Mine | Gold | Occurrence | Placer | |
| Dorsey Placer Mine | Gold | Occurrence | ||
| Gold Queen | Gold | Unknown | ||
| Gravel Range | Gold | Prospect |
Maps showing this location
13 surveysUnited 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.
- 1893 USGS Sonora quadrangle1:125000
- 1896 USGS Sonora quadrangle1:125000
- 1897 USGS Sonora quadrangle1:125000 - 8 printings
- 1898 USGS Sonora quadrangle1:125000
- 1947 USGS Jawbone Ridge quadrangle1:24000 - 3 printings
- 1947 USGS San Jose quadrangle1:250000
- 1948 USGS Tuolumne quadrangle1:62500 - 4 printings
- 1949 USGS Jawbone Ridge quadrangle1:24000
- 1956 USGS San Jose quadrangle1:250000
- 1962 USGS San Jose quadrangle1:250000 - 4 printings
- 1966 USGS San Jose quadrangle1:250000
- 1994 USGS Oakdale quadrangle1:100000 - 2 printings
- 2001 USGS Jawbone Ridge quadrangle1:24000
Sources for this property
| National Archives record | The nomination case file for reference 75000438 in Record Group 79. |
| Mariposa County | All 44 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.