Glenborough, California
31 topographic sheets cover this place, the earliest surveyed in 1891 and the latest in 1994. It stands in the Rancho Cordova census division. It lies in ZIP code area 95742. It lies near Nimbus Flat. The Survey maps it on the Folsom quadrangle.
Then and now
1891 to 1994The same ground, surveyed 103 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Topographic sheets covering this place
14 surveys from 31 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.
- 1891 USGS Sacramento quadrangle1:125000
- 1892 USGS Sacramento quadrangle1:125000, 5 printings
- 1893 USGS Sacramento quadrangle1:125000
- 1914 USGS Folsom quadrangle1:31680, 2 printings
- 1941 USGS Folsom quadrangle1:62500, 2 printings
- 1944 USGS Folsom quadrangle1:62500, 2 printings
- 1947 USGS Sacramento quadrangle1:250000, 2 printings
- 1948 USGS Sacramento quadrangle1:250000
- 1954 USGS Folsom quadrangle1:24000, 2 printings
- 1956 USGS Sacramento quadrangle1:250000, 2 printings
- 1957 USGS Sacramento quadrangle1:250000, 4 printings
- 1967 USGS Folsom quadrangle1:24000, 4 printings
- 1975 USGS Folsom quadrangle1:24000
- 1994 USGS Sacramento quadrangle1:100000, 2 printings
Fires near this place
225 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 225 fires within 5 miles of Glenborough between 1992 and 2020, burning about 2,056 acres in total. None started naturally. 21 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 | 128 |
| Equipment and vehicle use | 55 |
| Arson/incendiarism | 21 |
| Smoking | 10 |
| Misuse of fire by a minor | 5 |
| Debris and open burning | 4 |
| Power generation/transmission/distribution | 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 |
|---|---|---|---|---|
| 7 September 2011 | Equipment and vehicle use | 1.0 acres | Amador-El Dorado Unit | SCOTT |
| 6 September 2019 | Missing data/not specified/undetermined | under an acre | Amador-El Dorado Unit | not named |
| 6 September 2000 | Equipment and vehicle use | 3.0 acres | Amador-El Dorado Unit | GLORY |
| 5 September 2009 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
| 30 September 2009 | Missing data/not specified/undetermined | 42 acres | Amador-El Dorado Unit | SCOTT |
| 29 September 2003 | Equipment and vehicle use | under an acre | Amador-El Dorado Unit | GRANT |
| 28 September 2009 | Arson/incendiarism | 1.0 acres | California Department of Forestry & Fire Protection | not named |
| 27 September 2000 | Arson/incendiarism | 4.0 acres | Amador-El Dorado Unit | SCOTT |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 53 shownRegional context, not property-specific evidence. The federal mineral resources record lists 53 workings within 5 miles of Glenborough: 23 past producers, 18 producers, 11 occurrences, 1 unknown. 18 still produce. What was taken out: Gold, Sand and Gravel, Construction, Silver, Platinum, Silver. 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 |
|---|---|---|---|---|
| Folsom | Gold, Iridium, Osmium, Platinum | Past Producer | 1848, 1860, 1962 | |
| Mississippi Bar Pit | Fire Clay (Refractory) | Producer | ||
| Pacific Coast Aggregates, Inc. | Sand and Gravel, Construction, Stone, Crushed/Broken | Past Producer | ||
| American River Area | Gold, Platinum, Silver | Past Producer | ||
| Capital Dredging Co. | Gold, Silver, Platinum | Past Producer | ||
| Folsom District | Gold, Silver, Platinum | Producer | 1849 | |
| Folsom Prison | Granite | Producer | ||
| Folsom Prison | Granite | Past Producer | ||
| Natomas Co. | Gold, Platinum, Silver | Past Producer | ||
| Folsom | Gold, Silver | Unknown |
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 |
|---|---|---|---|
| Alder Creek | 0.9 miles | 31 | |
| Easton Place | 1.4 miles | 31 | |
| Nimbus | 1.6 miles | 31 | |
| Natoma | 1.8 miles | 31 | |
| Prairie City | 1.8 miles | 31 | |
| Folsom Junction | 2.7 miles | 31 | |
| Gold River | 3.2 miles | 31 | |
| Folsom | 3.4 miles | 31 |
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.
| Wikidata item Q122561223 | 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 2723864. 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.













