---
title: "Get Offshore Geochemical Data item by id"
method: GET
path: "/collections/offshore-sample-geochemical-data/items/{featureId}"
tags: ["offshore-sample-geochemical-data"]
---

# Get Offshore Geochemical Data item by id

`GET /collections/offshore-sample-geochemical-data/items/{featureId}`

This layer provides geochemical analysis associated with offshore sampling activities. It contains analysis of 38 elements and should be used as a baseline for chemical element concentrations in seabed sediments, against which samples collected in the future may be assessed. Related data in Offshore Sample Data - Activity & Scan collection.

## Query parameters

- `crs` string, uri
- `f` 'json' | 'html' | 'jsonld'
- `lang` 'en-US'

## Parameters

- `https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/parameters/featureId` — unresolved $ref

## Other responses

- `200` — unresolved $ref
- `400` — unresolved $ref
- `404` — unresolved $ref
- `500` — unresolved $ref

---

[API](https://skmtc.dev/bgs/apis/opengeoscience-ogcapi.md) · [All operations](https://skmtc.dev/bgs/apis/opengeoscience-ogcapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/bgs/opengeoscience-ogcapi/revisions/98c98c759f90/schema)