Ridgewood Manor, Delaware

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.

• 1899 USGS Dover quadrangle1:125000, 2 printings
• 1906 USGS Dover quadrangle1:125000, 3 printings
• 1920 USGS Dover quadrangle1:125000
• 1931 USGS Smyrna quadrangle1:62500, 5 printings
• 1946 USGS Wilmington quadrangle1:250000, 2 printings
• 1949 USGS Smyrna quadrangle1:24000, 2 printings
• 1955 USGS Wilmington quadrangle1:250000
• 1956 USGS Smyrna quadrangle1:24000, 3 printings
• 1957 USGS Wilmington quadrangle1:250000, 2 printings
• 1959 USGS Wilmington quadrangle1:250000, 3 printings
• 1966 USGS Wilmington quadrangle1:250000, 4 printings
• 1972 USGS Wilmington quadrangle1:250000, 2 printings
• 1984 USGS Dover quadrangle1:100000
• 1993 USGS Smyrna quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Ridgewood Manor between 1997 and 1999, burning about 7 acres in total. None started naturally. None 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:

• Big Oak Corners
• Bombay Woods
• Burtonwood Village
• Duck Creek Landing
• Dutch Neck Crossroads
• Lawndale

Every fire recorded in Kent County

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Ridgewood Manor: 1 producer. All of them still produce. What was taken out: 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.

Every working recorded in Kent 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 2400388. 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.