BlockBefore

Valona, California

36 topographic sheets cover this place, the earliest surveyed in 1896 and the latest in 1983. It stands in the West Contra Costa census division. It lies in ZIP code area 94525. It lies near Suribachi Hill. The Survey maps it on the Benicia quadrangle. It stands 62 feet above sea level.

Valona within Contra Costa County

Then and now

1896 to 1983

The same ground, surveyed 87 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Valona, surveyed 1983
Topographic sheet of Valona, surveyed 1896

Compare 1896 against another survey:

On record in Valona

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 1 record

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

Topographic sheets covering this place

16 surveys from 36 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

520 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 520 fires within 5 miles of Valona between 1992 and 2020, burning about 1,672 acres in total. None started naturally. 60 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/undetermined349
Arson/incendiarism60
Equipment and vehicle use43
Misuse of fire by a minor23
Smoking23
Debris and open burning10
Power generation/transmission/distribution8
Railroad operations and maintenance3
Fireworks1

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 2007Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
9 September 2003Equipment and vehicle useunder an acreSanta Clara UnitFOUR
8 September 2005Smoking1.0 acresCalifornia Department of Forestry & Fire Protectionnot named
7 September 2012Missing data/not specified/undeterminedunder an acreSanta Clara Unitnot named
7 September 2011Missing data/not specified/undeterminedunder an acreSanta Clara Unitnot named
7 September 1995Equipment and vehicle use2.0 acresSanta Clara UnitPG&E ALHAMBRA
6 September 2019Missing data/not specified/undetermined1.3 acresSanta Clara Unitnot named
6 September 2012Missing data/not specified/undeterminedunder an acreSanta Clara Unitnot named

Settlements close enough to share some of these fires:

Every fire recorded in Contra Costa County

Mines and quarries near this place

10 of 11 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 11 workings within 5 miles of Valona: 4 occurrences, 4 unknowns, 2 producers, 1 past producer. 2 still produce. What was taken out: Stone, Stone, Crushed/Broken, Mercury, Stone, Dimension. 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
McnearsStone, DimensionOccurrence
Unnamed LocationClayOccurrence
Borges ProspectMercuryOccurrenceCinnabar
Borges ProspectMercuryUnknown
Main Mine & MillStone, Crushed/BrokenProducer
Port Costa Shale QuarrysStone, Crushed/BrokenProducer
Lake HermanStoneUnknown
McnearsStonePast Producer
Port Costa Clay Products Co.StoneOccurrence
QuarryStoneUnknown

Every working recorded in Contra Costa 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
Crolona Heights0.4 miles36
Crockett0.6 miles36
Selby1.1 miles36
Eckley1.2 miles36
Tormey1.3 miles36
Oleum1.4 miles36
Port Costa2.2 miles36
Bayo Vista2.2 miles27

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.

Wikipedia article on ValonaAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q7912526The 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 236987. 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.