Big Walnut, Ohio

The same ground, surveyed 59 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1925 1984

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.

• 1925 USGS East Columbus quadrangle1:62500
• 1925 USGS East Columbus quadrangle1:62500
• 1925 USGS East Columbus quadrangle1:62500
• 1943 USGS East Columbus quadrangle1:62500
• 1947 USGS Columbus quadrangle1:250000
• 1955 USGS Southeast Columbus quadrangle1:24000
• 1961 USGS Columbus quadrangle1:250000
• 1962 USGS Columbus quadrangle1:250000
• 1964 USGS Southeast Columbus quadrangle1:24000
• 1964 USGS Southeast Columbus quadrangle1:24000
• 1964 USGS Southeast Columbus quadrangle1:24000
• 1964 USGS Southeast Columbus quadrangle1:24000
• 1964 USGS Southeast Columbus quadrangle1:24000
• 1967 USGS Columbus quadrangle1:250000
• 1967 USGS Columbus quadrangle1:250000
• 1984 USGS Lancaster quadrangle1:100000

The federal wildfire occurrence database lists 1 fire within 5 miles of Big Walnut (historical) between 2007 and 2007, burning about 0 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:

• Albany Park
• Bexley
• Blendon Corner
• Clinton
• Cobblestone At The Preserve
• Doneys (historical)

Every fire recorded in Franklin County

Museums hold 10,107 specimens collected within 10 miles of Big Walnut (historical) between 1814 and 1975: 8,137 Animalia, 1,267 Fungi, 555 Plantae, 117 Chromista, 30 Unrecorded, 1 Protozoa. 12 distinct Species records are shown. Collected by 19 V 1938 in original publication, Knull, =, ? and others. Each is a physical object with a catalogue number, and each entry opens the museum's record. This is what was collected and kept, not a survey of what lives here - nothing can be concluded from a species being absent.

Image	Species	Year	Collected by	Where, as recorded
	Cintractia sorghi (Sorokn) De Toni	1900	Tyler, F.J.; O. E. Jennings	Columbus
	Sorghum bicolor (L.) Moench	1900	Jennings, O.E.	Columbus, Ohio.
	Hirundo Linnaeus, 1758	1814	not recorded	Columbus Ohio, Franklin, Ohio, USA
	Callimome strobiloides Huber, 1927	1821	C. Huber	Columbus
	Solidago riddellii Frank	1832	W. A. Kellerman	A few miles N of Columbus.
	Carex lupulina Muhl. ex Willd.	1834	Anonymous	Columbus.
	Anomodon viticulosus (Hedw.) Hook. & Taylor	1837	W. S. Sullivant	Near Columbus
	Carex bullata Willd.	1837	Anonymous	Columbus.
	Carex comosa Boott	1837	Anonymous	Columbus.
	Carex granularis Muhl. ex Willd.	1837	Anonymous	Columbus.
	Acris crepitans blanchardi Harper, 1947	1897	not recorded	No Further Locality Data
	Albugo candida (Pers. ex J.F.Gmel.) Roussel	1897	Clevenger, J. F.	Columbus

All 10,107 specimens within 10 miles, at the Global Biodiversity Information Facility.

The federal mineral resources record lists 4 workings within 5 miles of Big Walnut (historical): 3 past producers, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Clay. 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 Franklin 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 1806771. 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.

Specimens. Global Biodiversity Information Facility (GBIF), https://www.gbif.org/. Only records licensed CC0 or CC BY are used. Records licensed CC BY-NC are excluded because this site carries advertising. Images are checked individually and any whose licence is non-commercial, no-derivatives or unreadable is refused.

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.