The Boston ArchiveBoston, Massachusetts

landmark · official boundary

Massachusett Native Rhyolite Quarry/Babson-Cookson Tract

A property designated a landmark by the Boston Landmarks Commission.

Place

official layer

An official boundary, promulgated by an authority with the power to draw it. It is not amended by anything on the vernacular layer.

Filed by this archive as
landmark
Authority
Boston Landmarks Commission
Within
Boston
Area
9758 square meters
Boundary
held as GeoJSON at /asset/8fc0243d9167070660bbf8d99b626dbf/massachusett-native-rhyolite-quarry-babson-cookson-tract.geojson — 1889 bytes, exactly as accessioned

Map

A map of the boundary of Massachusett Native Rhyolite Quarry/Babson-Cookson Tract, a landmark in the record of Boston, Massachusetts, within Boston. The outline is an official boundary, promulgated by Boston Landmarks Commission. It encloses approximately 9758 square meters.
Rendered by the archive, served as image/svg+xml at /asset/4292d4e10c12a8aa5728ed27bd495ad0/massachusett-native-rhyolite-quarry-babson-cookson-tract.svg — 1609 bytes, SHA-256 4292d4e10c12a8aa… · Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0
The exact coordinates are held separately as /asset/8fc0243d9167070660bbf8d99b626dbf/massachusett-native-rhyolite-quarry-babson-cookson-tract.geojson (application/geo+json, 1889 bytes, SHA-256 8fc0243d91670706…). The map is simplified for drawing; the boundary is not.

Questions this record answers

Each answer is composed only from fields this record carries, and names the attestation for what it says. A question the record cannot answer from its own attested content is not asked here. Where a boundary is described as official it was promulgated by an authority with the power to draw it and is not amended by anything on the vernacular layer; where it is described as vernacular it is held by attestation alone and amends no official boundary.

Where is Massachusett Native Rhyolite Quarry/Babson-Cookson Tract, and what kind of boundary does the archive hold?

Massachusett Native Rhyolite Quarry/Babson-Cookson Tract is recorded as a landmark, within Boston. The archive holds its boundary on the official layer: promulgated by an authority with the power to draw it.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

Who drew the boundary of Massachusett Native Rhyolite Quarry/Babson-Cookson Tract?

Boston Landmarks Commission promulgated it. A boundary with no promulgating authority is an assertion rather than a fact, and this archive files those separately, as claims.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

How large is Massachusett Native Rhyolite Quarry/Babson-Cookson Tract?

9758 square meters, computed from the boundary the archive holds and not quoted from elsewhere.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

What does the archive's map of Massachusett Native Rhyolite Quarry/Babson-Cookson Tract show?

A static map of the boundary, rendered by the archive on a server and never in a reader's browser, served as image/svg+xml at /asset/4292d4e10c12a8aa5728ed27bd495ad0/massachusett-native-rhyolite-quarry-babson-cookson-tract.svg. The exact coordinates it was drawn from are served separately as application/geo+json at /asset/8fc0243d9167070660bbf8d99b626dbf/massachusett-native-rhyolite-quarry-babson-cookson-tract.geojson.

Attested by: Rendered by archive-ingest 0.1.0 from the boundary this archive holds; digest 4292d4e10c12a8aa5728ed27bd495ad08470c26f1609d677dfa88283a907b33f.

What does the archive hold for Massachusett Native Rhyolite Quarry/Babson-Cookson Tract, and under what license?

The Boston Archive holds this record of Massachusett Native Rhyolite Quarry/Babson-Cookson Tract from City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0 (public domain). 4 recorded transforms stand between the retrieved bytes and this record. Attribution is due to City of Boston.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

Related records

Identity

Identifier
urn:lemay:boston:entity:massachusett-native-rhyolite-quarry-babson-cookson-tract
Canonical URL
https://boston.fyi/place/massachusett-native-rhyolite-quarry-babson-cookson-tract
As JSON
https://boston.fyi/place/massachusett-native-rhyolite-quarry-babson-cookson-tract.json
Version
1 · last changed 2 September 2026

Provenance

Source
City of Boston Open Data Portal (Analyze Boston) — source of record
License
Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0 (public_domain)
Retrieved
2 September 2026
Source identifier
56
Attribution
City of Boston
Rights as stated
Open Data Commons Public Domain Dedication and License (PDDL)

Transform ladder

#OperationDescriptionTool
1fetchretrieved the dataset's GeoJSON from the City of Boston open-data portalarchive-ingest 0.1.0
2normalizethe source's own name field became the record title; no name was supplied by the archivearchive-ingest 0.1.0
3reprojectthe source is WGS 84 (EPSG:4326); geometry was set to that SRID without alteration of coordinatesarchive-ingest 0.1.0
4externalize-boundaryThe boundary left the inline page graph and became two preserved holdings: the exact coordinates at /asset/8fc0243d9167070660bbf8d99b626dbf/massachusett-native-rhyolite-quarry-babson-cookson-tract.geojson and a static map rendered server-side at /asset/4292d4e10c12a8aa5728ed27bd495ad0/massachusett-native-rhyolite-quarry-babson-cookson-tract.svg. The stored geometry is unchanged; the record graph now addresses it instead of carrying it.archive-ingest 0.1.0