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Basin Gulch

Claims and tenure

The Basin Gulch land package

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The Basin Gulch land package is 11 patented and 53 unpatented mining claims covering 1,107 hectares.

Lannister Mining describes the Basin Gulch claims as a large, highly prospective, consolidated land package. A core of patented mining claims sits at the center of the property and is surrounded by unpatented mining claims, with multiple high priority targets near the historic resource.

How many claims make up the Basin Gulch property?

The Basin Gulch property is made up of 64 mining claims: 11 patented claims and 53 unpatented claims. Together they cover 1,107 hectares, which is roughly 2,735 acres or about 11 square kilometers.

Lannister Mining reports that the property is primarily on patented land, meaning the main area of historical work sits on the patented core.

Numbers

Basin Gulch claims in numbers

patented mining claims
11
patented mining claims
unpatented mining claims
53
unpatented mining claims
claims in total
64
claims in total
total area (about 2,735 acres)
1,107 ha
total area (about 2,735 acres)

Claim counts and hectares as reported by Lannister Mining. Acre and square kilometer figures are unit conversions of 1,107 hectares.

Definition

What a consolidated land package means

A consolidated land package brings neighboring claims under one holder, so a property can be explored as a single unit instead of a patchwork. At Basin Gulch, Lannister Mining holds a patented core surrounded by unpatented claims.

For exploration partners, that structure matters because targets near the historic resource and the unexplored two-thirds of the property sit within the same package. Drilling can step out from known mineralization without crossing into another holder's ground.

Patented vs unpatented mining claims

Basin Gulch includes both claim types. The comparison below describes how they generally differ in the United States.

Patented and unpatented mining claims compared, with Basin Gulch counts
CriterionPatented claimsUnpatented claims
Count at Basin Gulch1153
Position on the propertyThe coreSurrounding the core
Land titlePrivate land; title has passed from the federal governmentTitle stays with the federal government
Rights heldGenerally surface and mineral rightsRight to explore for and develop locatable minerals
Federal annual maintenance feeGenerally not requiredGenerally required to keep the claim active

General claim information is summarized from the Bureau of Land Management mining claims program. Basin Gulch counts are from Lannister Mining.

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Read the Basin Gulch investor briefing

Lannister Mining's June 2026 investor presentation goes deeper into the project than this site. It is published on the company's Invest page for investors and exploration partners.

Questions about the Basin Gulch claims

How big is the Basin Gulch land package?
The Basin Gulch land package includes 11 patented claims and 53 unpatented claims covering 1,107 hectares, which is about 2,735 acres. The property is underlain by a core of patented mining claims surrounded by unpatented mining claims, with multiple high priority targets near the historic resource area.
What is a patented mining claim?
A patented mining claim is one where the federal government has passed title to the claimant, making it private land. In general, the owner holds both surface and mineral rights and does not pay federal annual claim maintenance fees. Basin Gulch has 11 patented claims forming the core of the property.
What is an unpatented mining claim?
An unpatented mining claim gives the right to explore for and develop locatable minerals on federal land, while the government keeps title to the land. Claims are generally recorded with the Bureau of Land Management and kept active through annual maintenance fees. Basin Gulch has 53 unpatented claims around its patented core.
Why would an exploration partner look at Basin Gulch?
Basin Gulch combines a large historical data set of more than 320 drill holes with ground that is two-thirds unexplored. It has a patented core, year-round road access from Philipsburg and mineralization reported as open at depth and along strike. Those facts give a partner both existing data and untested targets.
How much of Basin Gulch is still unexplored?
Lannister Mining reports that two-thirds of the Basin Gulch property is still unexplored. The company describes this as phenomenal exploration upside across the 1,107 hectare land package, which also has multiple high priority targets near the historic resource. Future drilling will focus on additional mineralized target areas within the property.

See all Basin Gulch questions and answers