Mining Claims Map — Oregon
Oregon — home to historic gold-mining districts in its eastern ranges, with active exploration in Baker and Grant counties — is a prime target for junior exploration companies. Here's how to create a professional mining claims map using Exploration Maps in 15–30 minutes.

About Mining in Oregon
Oregon has a rich placer and lode gold history in its eastern ranges, with several advanced exploration projects being developed in Baker and Grant counties.
Key minerals: gold, nickel, chromite, mercury, silver. Notable deposits: Haines Gold, Cornucopia, Jacksonville. Mining districts: Baker County, Grant County, Jackson County.
The Bureau of Land Management (BLM) administers mineral rights in Oregon. Claim data is accessible through BLM MLRS (Mineral & Land Records System).
Getting Mining Data for Oregon
| Portal | Formats | Notes |
|---|---|---|
| BLM MLRS (Mineral & Land Records System) | MLRS reports + map viewer (claims by legal description) | Oregon BLM claims use UTM Zone 10N (EPSG:32610) in the western part of the state and Zone 11N in the eastern exploration districts (Baker, Grant, Harney counties). Baker County gold properties — the primary exploration area — are in Zone 11N (EPSG:32611). |
How to Create a Mining Claims Map for Oregon
For a full step-by-step guide to mining claims maps, see How to Make a Mining Claims Map.
- Import your claims data as a GeoJSON or CSV file
- Assign the Claims layer role to apply standard styling automatically
- Add roads and water layers for geographic context
- Select a basemap — Light for technical reports, Satellite for investor decks
- Configure the title block with project name, company, and map date
- Upload your company logo
- Set the export ratio and frame your map
- Export as PNG (presentations) or PDF (reports)

Tip for Oregon: Oregon's Baker County gold properties sit in steep Elkhorn Mountains terrain — the Topographic basemap shows elevation contours that help investors understand the mountainous setting and typical elevation of 1,500–2,500 m where most advanced projects are located.
Recommended Settings for Oregon
- Basemap: Light or Satellite
- Design theme: Investor — Navy & White or Technical — Sharp Borders
- Export format: PNG at 2× for investor presentations, PDF (Letter or A4) for NI 43-101 reports
- Coordinate system: Ensure source data is in WGS84 (EPSG:4326)
Common Use Cases in Oregon
- NI 43-101 technical reports
- Investor presentations
- News release figures
- Property acquisition packages
- Regulatory filings