MassachusettsHISTORY EXPLORERS GRADES 3–8
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Quick glossary
evidence
Information from a source that helps us test a claim.
source
A document, object, image, or account we can examine.
inference
An explanation based on clues; it still needs checking.
migration
Moving from one place to another to live.
immigrant
A person who moves to another country to live.
estimate
An approximate amount, based on available information.
oral history
A recorded interview about someone’s memories and experiences.
community
People connected by a place, relationships, or shared activities.
ancestry
Family origins across generations.
primary source
Evidence created by someone who experienced a time or event.

Our campus, seen from above

Choose two aerial photographs of the same ground. Move the divider to notice change, then check the dates and evidence.

1999 · Aerial photograph with current parcel outlines2025 · Aerial photograph with current parcel outlines19992025

Look for buildings, paths, open ground, and tree cover.

Source: MassGIS / Commonwealth of Massachusetts EOTSS. All nine photographs use the same extent. Current FY2026 assessor outlines are a reference, not historical lot boundaries or a survey. Both 1999 and 2025 are after the school opened. Seasons, colors, and image resolution differ.

Why the dates matter

The service named “1990s” uses 1999 photography over the Vineyard. The service named “2001” uses April 2003 photographs for the islands. Mixed-year collections keep their date ranges. The 2025 image is not a live view of today.

See the date-verification records →

1972: evidence of woodland

1972 USGS map with green woodland shading and approximate magenta outlines of the current parcels
USGS, public domain. Revised from 1969 photography; field checked in 1972. Modern magenta outlines are approximate. Source record ↗ T1972

Green woodland shading crosses the future campus. This supports a woodland interpretation at the map’s scale. It does not prove that no small structure, clearing, or earlier land use ever existed.

1951: a different map language

1951 USGS map showing roads and terrain with approximate modern parcel outlines
USGS, public domain. Surveyed in 1942, revised in 1951, and cataloged with a 1952 print year. Source record ↗ T1951

This map does not use the same green forest shading. A white background is not proof of cleared land. Compare each map’s legend before comparing its colors.

Zoom out: satellite context

2024 satellite mosaic showing the school parcels within the surrounding landscape
Sentinel-2 annual mosaic, 2024; not one photograph or a live image. EOX IT Services GmbH, modified Copernicus Sentinel data; CC BY-NC-SA 4.0. Source record ↗ S01

The satellite image helps show the wider landscape. Its source pixels are about ten meters across, so it is less useful for identifying small school structures.

Record an observation and a question

Research snapshot: September 23, 2026. The newest acquired aerial is from 2025. Original documents, catalog notes, and source images retain their original language.

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