Portland, New York

The same ground, surveyed 86 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1900 1986

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.

• 1900 USGS Dunkirk quadrangle1:62500, 6 printings
• 1943 USGS Dunkirk quadrangle1:62500, 3 printings
• 1954 USGS Brocton quadrangle1:24000, 2 printings
• 1960 USGS Buffalo quadrangle1:250000
• 1962 USGS Buffalo quadrangle1:250000, 2 printings
• 1967 USGS Buffalo quadrangle1:250000
• 1973 USGS Buffalo quadrangle1:250000
• 1986 USGS Jamestown quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 67 fires within 5 miles of Portland between 2002 and 2020, burning about 110 acres in total. 4 started naturally. 17 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:

• Brocton
• Vineyard
• Crestview Estates
• Ellicott Estates
• Dean
• Green Hills

Every fire recorded in Chautauqua County

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Portland: 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 Chautauqua County

Regional context, not property-specific evidence. The National Weather Service names Portland in 15 storm reports between 1997 and 2024: 10 thunderstorm wind, 2 flash flood, 2 hail, 1 tornado. No death or injury is recorded in these reports. 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 Chautauqua 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 961000. 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.

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.