Cedar Ridge, California

The same ground, surveyed 110 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1888 1998

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.

• 1888 USGS Smartsville quadrangle1:125000
• 1891 USGS Smartsville quadrangle1:125000
• 1892 USGS Smartsville quadrangle1:125000
• 1894 USGS Smartsville quadrangle1:125000
• 1895 USGS Smartsville quadrangle1:125000, 6 printings
• 1949 USGS Grass Valley quadrangle1:24000, 3 printings
• 1949 USGS Grass Valley quadrangle1:62500, 5 printings
• 1950 USGS Grass Valley quadrangle1:24000
• 1958 USGS Chico quadrangle1:250000, 4 printings
• 1960 USGS Chico quadrangle1:250000
• 1993 USGS Yuba City quadrangle1:100000
• 1995 USGS Grass Valley quadrangle1:24000, 2 printings
• 1998 USGS Grass Valley quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 895 fires within 5 miles of Cedar Ridge between 1992 and 2020, burning about 2,331 acres in total. 12 started naturally. 36 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.

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

Settlements close enough to share some of these fires:

• Cedar Crest
• Kres
• Ophir Hill Acres
• Grass Valley
• Hills Flat
• Leduc Acres

Every fire recorded in Nevada County

Regional context, not property-specific evidence. The federal mineral resources record lists 871 workings within 5 miles of Cedar Ridge: 468 past producers, 303 occurrences, 67 unknowns, 19 producers. 19 still produce. What was taken out: Gold, Chromium, Silver, Copper. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Every working recorded in Nevada County

Regional context, not property-specific evidence. The National Weather Service names Cedar Ridge in 2 storm reports between 1999 and 2025: 1 lightning, 1 flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Nevada County

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

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.

This settlement is recorded in the Geographic Names Information System as feature 1658243. 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.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.