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El Rio, Arizona

25 topographic sheets cover this place, the earliest surveyed in 1904 and the latest in 1996. It stands in the Tucson census division. It lies in ZIP code area 85745. It stands on Julian Wash. The Survey maps it on the Tucson quadrangle.

El Rio within Pima County

On record in El Rio

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 12 of 13 shown

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

Every listing in Pima County

Topographic sheets covering this place

14 surveys from 25 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

1,398 since 1993

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1,398 fires within 5 miles of El Rio between 1993 and 2020, burning about 128 acres in total. 54 started naturally. 37 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/undetermined1289
Natural54
Arson/incendiarism37
Power generation/transmission/distribution11
Equipment and vehicle use2
Smoking2
Railroad operations and maintenance1
Misuse of fire by a minor1
Other causes1

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 2019Missing data/not specified/undeterminedunder an acreTucson Fire DepartmentNOT NAMED
9 September 2018Missing data/not specified/undeterminedunder an acreTucson Fire Department1862510
9 September 2018Missing data/not specified/undeterminedunder an acreTucson Fire Department1862597
8 September 2020Missing data/not specified/undeterminedunder an acreArizona Department of Forestry and Fire Management - State Officenot named
8 September 2018Missing data/not specified/undeterminedunder an acreTucson Fire Department1862310
8 September 2018Missing data/not specified/undeterminedunder an acreTucson Fire Department1862474
7 September 2020Missing data/not specified/undeterminedunder an acreArizona Department of Forestry and Fire Management - State Officenot named
7 September 2020Missing data/not specified/undeterminedunder an acreArizona Department of Forestry and Fire Management - State Officenot named

Settlements close enough to share some of these fires:

Every fire recorded in Pima County

Mines and quarries near this place

10 of 25 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 25 workings within 5 miles of El Rio: 13 past producers, 9 occurrences, 2 unknowns, 1 producer. 1 still produces. What was taken out: Copper, Sand and Gravel, Construction, Geothermal, Silica. 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
Battle Axe MineSilica, Copper, Silver, GoldPast Producer1907, 1970
Battle Axe MineSilica, Copper, Gold, SilverPast Producer
Old Mission MineCopper, Silver, Gold, Lead, Barium-BaritePast Producer
Silver Pass MineSilver, CopperPast ProducerPyrite
Tucson Tufa QuarryStonePast Producer
De Vay Brick CoClayUnknown
De Vay Brick Co.Brick ClayPast Producer
Grabe Brick CoClayUnknown
Grabe Brick Co.Brick ClayPast Producer
Old Pueblo MineCopper, Gold, SilverPast ProducerVein

Every working recorded in Pima 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
Pascua Yaqui Indian Village0.9 miles25
Polo Village2.2 miles25
Silent Wheels Ranchomes2.6 miles20
Amphitheater2.7 miles26
South Tucson2.7 miles25
Stockham2.8 miles20
Gardner Estates3.4 miles20
Tucson3.5 miles25

Provenance

This settlement is recorded in the Geographic Names Information System as feature 25238. 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.