Big Rock, Ohio

The same ground, surveyed 74 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1906 1980

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.

• 1906 USGS Waverly quadrangle1:62500
• 1908 USGS Waverly quadrangle1:62500
• 1947 USGS Columbus quadrangle1:250000
• 1961 USGS Beaver quadrangle1:24000
• 1961 USGS Beaver quadrangle1:24000
• 1961 USGS Beaver quadrangle1:24000
• 1961 USGS Beaver quadrangle1:24000
• 1961 USGS Beaver quadrangle1:24000
• 1961 USGS Columbus quadrangle1:250000
• 1962 USGS Columbus quadrangle1:250000
• 1967 USGS Columbus quadrangle1:250000
• 1967 USGS Columbus quadrangle1:250000
• 1980 USGS Wellston quadrangle1:100000

The federal wildfire occurrence database lists 38 fires within 5 miles of Big Rock between 2006 and 2020, burning about 164 acres in total. 1 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:

• Eastburn (historical)
• Oakland
• Leo
• Limerick
• Pine Grove
• Savageville

Every fire recorded in Jackson County

Museums hold 762 specimens collected within 10 miles of Big Rock between 1905 and 1974: 406 Plantae, 300 Animalia, 55 Fungi, 1 Unrecorded. 12 distinct Species records are shown. Collected by A. Cronquist, A. M. Evans, A.J. Sharp 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
	Calodon	1936	Cooke, William Bridge	Little Salt Creek
	Calvatia caelata (Bull.) Morgan	1936	Cooke, William Bridge	Little Salt Creek
	Rorippa Scop.	1905	F. Bartley	3 mi south of Jackson
	Coleosporium solidaginis (Schwein.) Thüm.	1915	Hedgcock G. G.	Jackson
	Trametes robiniophila Murrill	1916	MCCLEDROTLE G. A.?	Coalton
	Eriophyes laevis (Nalepa, 1889)	1923	Miller, A. E. (August E.)	Jackson Co., OH, U.S.A.
	Coleosporium carneum (Bosc) H.S.Jacks.	1925	Hedgcock G. G.	Jackson
	Coleosporium delicatulum (Arthur & F.Kern) Hedgc. & Long	1925	Hedgcock G. G.	Jackson
	Coleosporium helianthi (Schwein.) Arthur	1925	Hedgcock G. G.	Jackson
	Hypoxylon papillatum Ellis & Everh.	1925	Hedgcock G. G.	Jackson
	Uromyces asclepiadis Cooke	1925	Hedgcock G. G.	Jackson
	Xylaria hypoxylon (L.) Grev.	1925	Hedgcock G. G.	Jackson

All 762 specimens within 10 miles, at the Global Biodiversity Information Facility.

The federal mineral resources record lists 2 workings within 5 miles of Big Rock: 1 past producer, 1 producer. 1 still produces. What was taken out: Stone, Crushed/Broken. 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 Jackson 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 1049577. 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.