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Shelltown, California

32 topographic sheets cover this place, the earliest surveyed in 1904 and the latest in 1996. It stands in the San Diego census division. It lies in ZIP code area 91950. It lies near Paradise Valley. The Survey maps it on the National City quadrangle.

Shelltown within San Diego County

Then and now

1904 to 1996

The same ground, surveyed 92 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Shelltown, surveyed 1996
Topographic sheet of Shelltown, surveyed 1904

Compare 1904 against another survey:

On record in Shelltown

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register within a mile 3 records

The National Register names another town for these. They stand within one mile of this settlement's coordinate.

Topographic sheets covering this place

12 surveys from 32 printed sheets

Matched 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.

Fires near this place

474 since 1994

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 474 fires within 5 miles of Shelltown between 1994 and 2020, burning about 250 acres in total. None started naturally. 107 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/undetermined262
Arson/incendiarism107
Debris and open burning42
Smoking28
Misuse of fire by a minor21
Equipment and vehicle use10
Recreation and ceremony4

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
9 September 2011Missing data/not specified/undetermined1.0 acresSan Diego Unitnot named
9 September 2011Arson/incendiarismunder an acreSan Diego Unitnot named
9 September 2005Smokingunder an acreCalifornia Department of Forestry & Fire Protectionnot named
8 September 2008Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
7 September 2020Missing data/not specified/undeterminedunder an acreSan Diego Unitnot named
7 September 2011Missing data/not specified/undeterminedunder an acreSan Diego Unitnot named
7 September 2007Misuse of fire by a minorunder an acreCalifornia Department of Forestry & Fire Protectionnot named
7 September 2005Debris and open burningunder an acreCalifornia Department of Forestry & Fire Protectionnot named

Settlements close enough to share some of these fires:

Every fire recorded in San Diego County

Mines and quarries near this place

4 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Shelltown: 4 past producers. None of them still produces. What was taken out: Salt, Clay, Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
National Brick CompanyClayPast Producer
Sweetwater Sand DepositSand and Gravel, ConstructionPast ProducerSedimentary
Chollas Valley Salt Co.SaltPast Producer
Sweetwater CreekSaltPast Producer

Every working recorded in San Diego County

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 PlaceDistance Sheets
National City0.3 miles32
South Crest0.9 miles32
Mountain View1.4 miles32
Lincoln Park1.8 miles32
Logan Heights1.9 miles34
Lincoln Acres1.9 miles32
Valencia Park2.0 miles32
Barrio Logan2.3 miles34

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1870142. 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.