Clarksville, New York

The same ground, surveyed 96 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1893 1989

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register 2 records

• Teunis Houghtaling Houselisted 2004
• Clarksville Elementary Schoollisted 2008

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.

• 1893 USGS Albany quadrangle1:62500, 2 printings
• 1895 USGS Albany quadrangle1:62500
• 1898 USGS Albany quadrangle1:62500, 8 printings
• 1927 USGS Albany quadrangle1:62500, 5 printings
• 1947 USGS Albany quadrangle1:62500
• 1948 USGS Albany quadrangle1:250000
• 1950 USGS Albany quadrangle1:62500
• 1953 USGS Clarksville quadrangle1:24000, 4 printings
• 1956 USGS Albany quadrangle1:250000, 2 printings
• 1957 USGS Albany quadrangle1:250000
• 1959 USGS Albany quadrangle1:250000
• 1962 USGS Albany quadrangle1:250000
• 1986 USGS Albany quadrangle1:100000
• 1989 USGS Albany quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 121 fires within 5 miles of Clarksville between 2001 and 2020, burning about 113 acres in total. 8 started naturally. 13 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:

• New Salem
• Tarrytown
• Stony Hill
• Feura Bush
• New Scotland
• Unionville

Every fire recorded in Albany County

Regional context, not property-specific evidence. Museums hold 6,006 specimens collected within 10 miles of Clarksville between 1847 and 1975: 3,441 Fungi, 1,881 Animalia, 518 Plantae, 97 Protozoa, 50 Chromista, 19 Unrecorded. 12 distinct Species records are shown. Collected by ?, A C. Frederick, A. A. Heller 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
	Stereum neglectum Peck	1894	C. L. Shear	Alcove
	Cephalozia media Lindb.	1898	Charles H. Peck	near Albany
	Coniothyrium Corda, 1840	1899	not recorded
	Phyllosticta innumerabilis Peck	1847	C.L. Shear
	Phragmidium speciosum (Fr.) Bonord.	1855	Sartwell	E Novo-Eboraco [= New York]
	Culaea inconstans (Kirtland, 1840)	1860	W. Swartz	Krumkill, 1 mi. NE of Voorheesville
	Sorex fumeus fumeus G.M.Miller, 1895	1860	William J. Hamilton Jr.	Rensselaerville
	Abietinella abietina (Hedw.) M.Fleisch.	1863	C. F. Austin	Helderberg Mt.
	Anomodon viticulosus (Hedw.) Hook. & Taylor	1863	C. F. Austin	Helderberg Mts.
	Barbilophozia barbata (Schmidel ex Schreb.) Loeske	1863	C. F. Austin	In Mountain localities
	Barbula unguiculata Hedw.	1863	C. F. Austin	Helderberg Mts.
	Brachythecium rutabulum (Hedw.) Schimp.	1863	C. H. Peck	Helderberg Mountains

All 6,006 specimens within 10 miles, at the Global Biodiversity Information Facility.

Regional context, not property-specific evidence. The federal mineral resources record lists 5 workings within 5 miles of Clarksville: 2 past producers, 2 producers, 1 occurrence. 2 still produce. What was taken out: Sand and Gravel, Construction, Sulfur. 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 Albany County

Regional context, not property-specific evidence. The National Weather Service names Clarksville in 8 storm reports between 1998 and 2022: 5 thunderstorm wind, 1 flood, 1 flash flood, 1 heavy rain. The reports record 1 death. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Albany 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 946794. 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.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.