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Open Ground · Open to dig

Big Brook Preserve

Free public fossil creek, Marlboro, New Jersey
ACCESSIBLE
Evidence status: Historical tradition. no documented source (historical tradition); legal status unknown (manual verification recommended). This account is presented as historical tradition, not verified fact. Manual verification recommended. Repository evidence: 0 sources · 0 timeline events · 0 media items · legal unknown · view on the Map Evidence on file: historical tradition

Big Brook Preserve: still unexplained.

Cretaceous shark teeth, no permit

The law of this ground: true
The subject
developing the photograph…
The manifest
Cretaceous shark teeth, no permit
The account

Big Brook in Marlboro is a free public creek cutting through Cretaceous beds, where you scoop the streambed for the teeth of sharks that swam before the dinosaurs died, no permit required.

Leads, where the trail points now
  • What you can keep: Cretaceous shark teeth, no permit. Confirm the site's current rules and any day fee before you go.
  • Where: Marlboro, New Jersey. Search only the marked legal area, and bring the right pan, screen, or detector and a container for finds.
  • Best practice: record anything notable, leave the ground as you found it, and check the latest access notices before you travel.
What the record holds

What remains open

  • No period map of the site has surfaced.
  • No contemporary press coverage has been found.
What we know, and what we don't
Established

No documentary claim is yet established. The account rests on tradition.

Still open
  • No period map of the site has surfaced.
  • No contemporary press coverage has been found.
The evidence room

No documentary or visual exhibits have been located yet. The trail below and the open leads are where this dossier grows next — every exhibit that enters here carries a source.

Where the trail points now
  • What you can keep: Cretaceous shark teeth, no permit. Confirm the site's current rules and any day fee before you go.
  • Where: Marlboro, New Jersey. Search only the marked legal area, and bring the right pan, screen, or detector and a container for finds.
  • Best practice: record anything notable, leave the ground as you found it, and check the latest access notices before you travel.
  • Search Library of Congress + DPLA (IIIF) for period cartography of the site.
  • Run Chronicling America for dated newspaper mentions.
  • Query NARA for archival records tied to the site.

Have a source, a map, or a clipping? Add a lead and it enters the record with its citation.

Start the hunt here
The first leads, so no one walks in cold.
Sources and the record
Related case files

The full hunt kit

Starting brief, what's known and disputed, evidence timeline, source list, map card, coordinate-confidence and legal-access summaries, and a field checklist, free with a Fellowship account.

Latest Word From the Newswire

Context, not proof. The dossier's own sources remain the evidence record.

Checking the wire…

Chart position 40.305°, -74.245° View on the Map