Sun Valley, Florida

The same ground, surveyed 42 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1945 1987

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.

• 1945 USGS Greenacres City quadrangle1:24000, 4 printings
• 1950 USGS Greenacres City quadrangle1:24000
• 1956 USGS West Palm Beach quadrangle1:250000, 2 printings
• 1957 USGS West Palm Beach quadrangle1:250000
• 1958 USGS West Palm Beach quadrangle1:250000, 2 printings
• 1981 USGS West Palm Beach quadrangle1:100000
• 1985 USGS West Palm Beach quadrangle1:100000
• 1987 USGS West Palm Beach quadrangle1:250000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 15 fires within 5 miles of Sun Valley between 1999 and 2018, burning about 67 acres in total. None started naturally. 1 was 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:

• Golf
• Country Club Trail
• Boynton Beach
• Hypoluxo
• Hypoluxo Village
• Lantana

Every fire recorded in Palm Beach County

Regional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Sun Valley: 3 producers, 1 past producer. 3 still produce. What was taken out: Stone, Crushed/Broken, Sand. 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 Palm Beach County

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

This settlement is recorded in the Geographic Names Information System as feature 1867215. 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.