Government data (public domain)
- Mine and prospect sites: USGS Mineral Resources Data System (MRDS), mrdata.usgs.gov
- Topo maps, shaded relief, rivers, imagery and elevation: USGS The National Map, usgs.gov
- Historic topo maps: USGS topoView
- Faults: USGS Quaternary Fault and Fold Database; geologic maps: USGS National Geologic Map Database
- Mining claims and land status: Bureau of Land Management, mlrs.blm.gov
- Soils: USDA NRCS Soil Data Access
- Weather forecast: National Weather Service, weather.gov; radar: NOAA NEXRAD via Iowa Environmental Mesonet
- Property lines: public parcel records from state GIS agencies (for example NC OneMap, Montana State Library); each lot shows its source. Not a survey.
- Historical aerial photos: NC OneMap and Montana State Library
Open data (credit required)
- Map data © OpenStreetMap contributors (ODbL); place search by Nominatim
- OpenTopoMap © OpenTopoMap (CC-BY-SA)
- Geologic map tiles: Macrostrat (CC BY 4.0)
- Soil properties: ISRIC SoilGrids (CC BY 4.0)
- Sentinel-2 cloudless 2016 by EOX IT Services GmbH, contains modified Copernicus Sentinel data (CC BY 4.0)
Licensed services
- Satellite imagery: Esri World Imagery, used under an ArcGIS Location Platform account (Tiles © Esri and its data providers)
- Gold and silver spot prices: gold-api.com
- Payments: Stripe
Photos, video and code
- Photos and video: Pexels (free to use)
- Map engine: Leaflet (BSD-2-Clause); fonts: Google Fonts (SIL Open Font License)
Ownership
GoldScout™ and the GoldScout logo are trademarks of Jason Delk. App design, text and code © 2026 Jason Delk. Questions: contact us.