Three Locks, 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 Chillicothe quadrangle1:62500
• 1908 USGS Chillicothe quadrangle1:62500
• 1947 USGS Columbus quadrangle1:250000
• 1961 USGS Chillicothe quadrangle1:24000
• 1961 USGS Chillicothe East quadrangle1:24000
• 1961 USGS Chillicothe East quadrangle1:24000
• 1961 USGS Chillicothe East quadrangle1:24000
• 1961 USGS Chillicothe East quadrangle1:24000
• 1961 USGS Chillicothe East quadrangle1:24000
• 1961 USGS Chillicothe East 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 48 fires within 5 miles of Three Locks between 2005 and 2020, burning about 192 acres in total. None started naturally. 3 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:

• Pride
• Antonis
• Canada (historical)
• Higby
• Richmond Dale
• Rittenours

Every fire recorded in Ross County

Museums hold 1,897 specimens collected within 10 miles of Three Locks between 1874 and 1975: 1,408 Animalia, 398 Fungi, 80 Plantae, 7 Protozoa, 3 Unrecorded, 1 Chromista. 12 distinct Species records are shown. Collected by A. C. Kinsey, A. C. Lincoln, A. Cronquist 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
	Puccinia flosculosorum Röhl., 1813	1895	F. L. S.	Ross County
	Puccinia tanaceti DC.	1895	F. L. Stevens	Ross County
	Puccinia violae (Schumach.) DC.	1895	F. L. Stevens	Ross County
	Euaesthetus iripennis Casey, 1884	1874	[Not Stated]	[Not Stated]
	Myrmedonia loricata Casey, 1893	1874	[Not Stated]	[Not Stated]
	Passiflora lutea L.	1885	Safford, William Edwin	Chillicothe
	Albugo ipomoeae-panduratae (Schwein.) Swingle	1896	Selby, A. D.	Chillicothe
	Phyllosticta pyrina Sacc.	1896	Selby A. D.	Chillicothe
	Elanoides forficatus forficatus (Linnaeus, 1758)	1898	Seip, J. (John)	Near Chillicothe, Ross, Ohio, USA
	Lophodytes cucullatus (Linnaeus, 1758)	1901	not recorded	Ross, Ohio, USA
	Lophophanes Kaup, 1829	1901	Henninger, W. F. (Walther Frederick)	Ross, Ohio, USA
	Armillaria mellea (Vahl) P.Kumm.	1902	Hard, Miron	Chillicothe

All 1,897 specimens within 10 miles, at the Global Biodiversity Information Facility.

The federal mineral resources record lists 1 working within 5 miles of Three Locks: 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 Ross 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 1063057. 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.