Browse data nz_protected_survey_marks

NZ Protected Survey Marks

Survey marks protected by law in New Zealand — the foundation network for cadastral and engineering surveys. ~384k marks. From LINZ.

Licence: CC-BY 4.0 Source: LINZ (data.linz.govt.nz), CC-BY 4.0.

Data as of 2026-05-07  · static  · 383,688 rows

Map preview
Showing 200 sample features
CRS
EPSG:4326

Centroids only — full geometry available via the API or CSV download.

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Dataset ID
nz_protected_survey_marks
Data source
LINZ
Last refreshed
2026-05-07
Refresh cadence
static
API endpoint
https://api.eolas.fyi/v1/datasets/nz_protected_survey_marks/data

Columns (10)

schema glossary · auto-generated
Column Type Description
id long ID
geodetic_code string Geodetic code
current_mark_name string Current mark name
description string Description
mark_type string Mark type
mark_condition string Mark condition
order long Order
last_survey string Last survey
last_survey_date string Last survey date
geometry_wkt string Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING

How to query this dataset

Fetch all data (JSON)
curl https://api.eolas.fyi/v1/datasets/nz_protected_survey_marks/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/nz_protected_survey_marks/data?start=2020-01-01&end=2024-12-31" \
  -H "X-API-Key: your_key_here"
Download as CSV
curl "https://api.eolas.fyi/v1/datasets/nz_protected_survey_marks/data?format=csv" \
  -H "X-API-Key: your_key_here" -o nz_protected_survey_marks.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
IdGeodetic CodeCurrent Mark NameDescriptionMark TypeMark ConditionOrderLast SurveyLast Survey Date
52027619MA 54 DP 623641NailReliably Placed6DP 6236412025-10-23Z
52027626MA 55 DP 623641NailReliably Placed6DP 6236412025-10-23Z
52027627MA 56 DP 623641NailReliably Placed6DP 6236412025-10-23Z
52027699IT I DP 620862-0.2m, 3m to drain bankTubeReliably Placed6DP 6208622025-11-26Z
52027901IS I DP 604955Buried 0.3m on grass knobSpike, Bar, Bolt, Rod, DogReliably Placed12DP 6049552024-12-18Z

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