---
title: "Radiometric Grid Values"
method: GET
path: "/api/v1/usgs-radiometric/grid-values"
tags: ["usgs-radiometric"]
---

# Radiometric Grid Values

`GET /api/v1/usgs-radiometric/grid-values`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/usgs-radiometric/grid-values`
- Auth: none declared

Radiometric K/U/Th grid values at a location.

Returns potassium (%), equivalent uranium (ppm), equivalent
thorium (ppm), and absorbed dose rate from the USGS airborne
gamma-ray spectrometry grid.

**Pricing:** Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

## Query parameters

- `lat` number, required: Latitude (WGS84)
- `lon` number, required: Longitude (WGS84)
- `radius_km` number: Search radius in km
- `x_api_key` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/deepmapai/apis/deepmap-ai.md) · [All operations](https://skmtc.dev/deepmapai/apis/deepmap-ai/llms.txt) · [OpenAPI document](https://skmtc.dev/deepmapai/apis/deepmap-ai/revisions/dab995d977d0?raw)