Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

Ground control points obtained by using uncrewed aerial systems from an erosion prone area north of Medina River Natural Area near San Antonio, Texas, August 14, 2019, and July 8, 2022

Metadata Updated: January 21, 2026

This data release includes ground control points (GCPs) collected during two uncrewed aerial system (UAS) imagery surveys conducted at an edge-of-field site north of Medina River Natural Area near San Antonio, Texas, on August 14, 2019, and July 8, 2022. Ten GCPs were used on each survey date, and a total of twenty GCPs are described in this data release.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Created Date January 12, 2026
Metadata Updated Date January 21, 2026

Metadata Source

Harvested from DOI USGS DCAT-US

Additional Metadata

Resource Type Dataset
Metadata Created Date January 12, 2026
Metadata Updated Date January 21, 2026
Publisher U.S. Geological Survey
Maintainer
Identifier http://datainventory.doi.gov/id/dataset/USGS_63a09a17d34e0de3a1f27747
Data Last Modified 2023-05-23T00:00:00Z
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Datagov Dedupe Retained 20260121130127
Harvest Object Id 034bb370-38e4-48a8-8313-309b51bf1c50
Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
Harvest Source Title DOI USGS DCAT-US
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": -98.574185, 29.259446, -98.574185, 29.269217, -98.567448, 29.269217, -98.567448, 29.259446, -98.574185, 29.259446}
Source Datajson Identifier True
Source Hash a2a20f7cc379a46d26e2f07f2016227e340f0ea3b3b1c6f358c6a3a58bfec150
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -98.574185, 29.259446, -98.574185, 29.269217, -98.567448, 29.269217, -98.567448, 29.259446, -98.574185, 29.259446}

Didn't find what you're looking for? Suggest a dataset here.