Marshall Mining Labs

MODERN
MINER

Forty acres on Beaver Creek. A hundred and sixty years of Idaho gold history. One AI-powered platform built to find what's still down there.

2
Active placer claims
40
Acres on Beaver Creek
160+
Years of Basin history
2026
Year one on the ground
43.9659°N 115.6044°W — Big Beaver · IDC-BB-4471
43.9668°N 115.6006°W — Little Beaver · IDC-LB-4472
SCROLL
The Ground
Big Beaver · IDC-BB-4471 · 20 ac
Little Beaver · IDC-LB-4472 · 20 ac
Field Intelligence

Built for the creek, not the boardroom

Modern Miner is the AI prospecting companion living in your pocket — built to understand your specific ground, not gold mining in general.

⚖️

Live Yield Tracking

Real-time session weight, value per gram, and hourly rate as you work the sluice.

⛏️

Old Timer AI

An AI field partner trained on 600 years of Boise Basin knowledge. Born 1426. Gold nugget teeth. Knows every creek. Ask it anything about Boise Basin geology, regulations, or technique.

🗺️

Claim Mapping

Drop pins, log finds, and build a living spatial record of everything you recover across the whole season.

📋

Claim Management

BLM filings, maintenance fees, and annual deadlines — handled before they become a problem.

📡

Offline First

Full functionality at zero bars. Sync when you hit cell coverage back in Idaho City.

TABLET EXCLUSIVE FEATURE
160 Years of Topographic History

See How the Ground
Changed

Overlay historical survey data with modern satellite imagery — see how the creek and landscape have changed since the first GLO surveys in the 1860s. Pinch, zoom, and compare across four distinct eras of Beaver Creek.

Present-day satellite view of Beaver Creek claims
PRESENT · 2026

Modern Satellite

Current channel positions of Big Beaver and Little Beaver Creek. Two active BLM placer claims visible in the drainage.

Topographic terrain view of Beaver Creek drainage
REFERENCE · MODERN TOPO

Terrain Survey

Modern topographic reference showing elevation contours, ridgelines, and drainage patterns for the Boise County claims area.

Wider Boise Basin topographic view
c. 1893 GLO SURVEY AREA

Boise Basin District

The broader drainage context — Idaho City quadrangle as first surveyed by the General Land Office in 1867 and remapped in 1893.

Satellite view of wider Boise Basin drainage
AERIAL · FULL DRAINAGE

Full Watershed

The complete Beaver Creek watershed from ridge to confluence — the full extent of the 1862 placer rush territory and hydraulic operations.

TABLET EXCLUSIVE FEATURE
Advanced Detection

Below the Surface

📡

Ground Penetrating Analysis

Sub-surface anomaly detection. Identify buried channels, ancient bedrock traps, and mineralization signatures from aerial LiDAR data.

SURFACE ALLUVIUM — 0–2 ft PLACER GRAVEL LAYER — 2–8 ft BURIED PALEO-CHANNEL — 8–18 ft ANOMALY BEDROCK — CRETACEOUS GRANITE Idaho Batholith — primary gold source 0 ft 2 ft 8 ft 18 ft

Modern Miner processes aerial LiDAR point cloud data to map sub-surface anomalies — identifying buried paleochannels where placer gold concentrates over geological time.

🔍

Metal Detector Integration

Pair your Minelab or Garrett detector with Modern Miner. Log every signal, map every sweep, build a spatial record of your entire season.

📶
BLUETOOTH PAIRING
Minelab Equinox, CTX 3030, Garrett AT Max, and Axiom supported.
📍
AUTO-PIN ON SIGNAL
Every detected signal automatically pinned on your claim map with GPS coordinates and signal strength.
🗺️
SWEEP COVERAGE MAP
Visual heat map of ground you've covered. Know where you've been and what you still need to search.
📈
SEASON ANALYTICS
End-of-season spatial analysis showing highest-yield zones and optimal re-sweep areas for next year.
// Beaver Creek Time Machine

600 Years on
Forty Acres

How the land changed — the creek, the people, and the gold — from ancient drainage to active claim.

PRESENT DAY
2026

Two Active Claims

BLM MINERAL RIGHTSACTIVE PLACER40 ACRES

Big Beaver Creek (IDC-BB-4471) and Little Beaver Creek (IDC-LB-4472). Two drainages, one mountain, two decades of accumulated placer deposits waiting for a systematic season.

TERRAIN NOTE
Channels largely stabilized since late-20th century reclamation. Creek beds show remnant hydraulic mining debris from the 1880s–1900s. Bedrock channels beneath current alluvial fill remain unmapped.
GOLD NOTE
Active placer gold in both drainages, concentrated in bedrock crevices, behind boulders, and in natural trap pockets. Deeper buried channels (ancient paleobeds) may hold significantly higher concentrations.
IDC-BB-4471 IDC-LB-4472 BIG BEAVER LITTLE BEAVER N ↑ ~0.5 mi BLM CLAIM BOUNDS ACTIVE CHANNEL
GOLD RUSH ERA
1890

The Hydraulic Era

BOISE BASIN RUSHHYDRAULIC MININGCHANNEL DISTURBANCE

Twenty-eight years after the 1862 Boise Basin gold rush — the largest in Pacific Northwest history — hydraulic operations had dramatically altered Beaver Creek's natural channels.

TERRAIN NOTE
Hydraulic monitors (giants) used high-pressure water to blast hillsides, flushing gold-bearing gravels through sluice boxes. Creek channels were widened significantly, valley floors filled with tailings. The Boise Basin produced an estimated $250M in gold (1860s dollars).
PEOPLE
Chinese miners dominated placer operations by the 1870s–80s, reworking tailings abandoned by earlier white miners. Idaho City had 6,000+ residents in 1863 — larger than Portland at the time.
GOLD NOTE
Easily accessible surface gold largely removed 1862–1880. Deeper bedrock channels and buried paleobeds untouched. The 1890 federal mining survey noted Beaver Creek as "worked but not exhausted."
HYDRAULIC MONITOR IDAHO CITY → BIG BEAVER LITTLE BEAVER N ↑ DISTURBED CHANNEL (HYDRAULIC) MODERN CHANNEL (REFERENCE)
PRE-CONTACT ERA
1790

Shoshone Territory

NORTHERN SHOSHONENATURAL DRAINAGEPRISTINE CHANNELS

Seventy years before the gold rush, the Boise Basin was Northern Shoshone seasonal territory. The creeks ran in their natural state — wider, more sinuous, and significantly more productive as fish and game habitat.

TERRAIN NOTE
Natural creek channels, free of mining disturbance. Wider floodplain active — spring snowmelt floods reached further from the channel. Beaver populations (for whom the creek is named) maintained natural dams, creating wetland complexes that acted as gold-trapping sediment basins.
PEOPLE
The Northern Shoshone (Newe) used the Boise Basin for summer and fall hunting — elk, mule deer, bighorn sheep. Seasonal camps near major water sources. The Boise Basin was transitional territory between Snake River lowlands (winter) and mountain hunting grounds (summer).
GOLD NOTE
Gold known to exist — Shoshone oral traditions reference yellow metal in the mountain streams — but not systematically mined. Centuries of undisturbed spring floods had redistributed placer gold into rich natural traps. This is the deposit that would cause the 1862 rush.
BEAVER DAM SEASONAL CAMP (NORTHERN SHOSHONE) BIG BEAVER LITTLE BEAVER N ↑ NATURAL CHANNEL (PRE-MINING) MODERN CHANNEL (REFERENCE)
LITTLE ICE AGE
1650

Peak Snowpack Era

LITTLE ICE AGEACTIVE REDISTRIBUTIONSHOSHONEAN PEOPLES

The Little Ice Age (roughly 1300–1850) brought significantly deeper snowpacks to the Boise Mountains. Spring flooding was more dramatic, regularly inundating wider floodplains and actively redistributing placer gold.

TERRAIN NOTE
Ice age cooling meant 30–50% deeper snowpack in the Boise Mountains (paleoclimate estimates). Spring flood events were larger, faster, and more energetic. The creek would have cut more aggressively into the valley floor, redistributing gold-bearing gravels into locations that miners would later find exceptionally productive.
PEOPLE
Shoshonean peoples maintained continuous presence in the region. Cooler summers meant different game migration patterns — elk and deer ranges shifted downslope.
GOLD NOTE
The high-energy flood events of this era were key gold-concentration events. Placer gold sorted and concentrated in natural hydraulic trap zones — the same pockets later miners would find first.
DEEP SNOWPACK ZONE GOLD TRAP BIG BEAVER LITTLE BEAVER N ↑ CHANNEL (LITTLE ICE AGE)
ANCESTRAL ERA
1400

Ancestral Drainage

MEDIEVAL WARM PERIOD ENDSHOSHONEAN ANCESTORSANCIENT CHANNEL

At the close of the Medieval Warm Period (~1250–1350 CE), the Pacific Northwest experienced shifting precipitation patterns. The Beaver Creek drainage looked significantly different — older, slower, more braided.

TERRAIN NOTE
The end of the Medieval Warm Period brought cooler, wetter conditions beginning to reshape the drainage. The creek channel in 1400 likely ran further east before the onset of Little Ice Age floods shifted it toward its historical position. Ancient meander scars — visible in modern aerial photography as faint arcs of slightly different vegetation — show where the creek once ran.
PEOPLE
Archaeological evidence suggests continuous human occupation of the greater Boise Basin for 9,000+ years. The ancestors of the Shoshone-Bannock were well established throughout the Snake River watershed by 1400 CE.
GOLD NOTE
The original source gold — from Cretaceous quartz veins in the Idaho Batholith — had been eroding into the Beaver Creek drainage for roughly 65 million years. By 1400, the alluvial gold placer system was mature and waiting for the hydraulic forces of the coming Little Ice Age to concentrate it into the deposits that would eventually trigger the 1862 rush.
ANCIENT MEANDER SCAR (ESTIMATED) 65 MILLION YEARS OF EROSION → THIS CREEK BIG BEAVER LITTLE BEAVER N ↑ ANCIENT CHANNEL (BRAIDED)
PRESENT / 2026
← DRAG OR USE ARROWS TO TRAVEL THROUGH TIME →
Sources & methodology: Creek channel positions for present and 1890 are interpretive approximations based on USGS topographic surveys and historical mining records from the Boise Basin district. Pre-mining era channels (1790, 1650, 1400) are informed estimates based on paleoclimate models, regional hydrology, and archaeological literature for the Idaho Batholith drainage system.

Historical map sources: USGS National Topographic Map Collection — Idaho City Quadrangle (1893 survey, 1902 edition) · Boise Basin Mining District Survey, General Land Office (1867) · Idaho State Historical Society, Boise Basin Collection
ELIAS COBB
OLD TIMER · AI FIELD PARTNER
EST. ~1426
AI PROSPECTING PARTNER · MOBILE EXCLUSIVE

The Gold Savant of the
Last Six Centuries.

 

— ELIAS COBB · OLD TIMER · EST. ~1426

Old Timer is an AI prospecting partner trained on 600 years of Boise Basin knowledge. He was here before Idaho had a name. He knows every bedrock contact, every pay streak, every creek bend — and he has four gold nugget teeth from Little Beaver Creek to prove it. On-device. Offline-first. Built for the field.

⛏️

Pay Streak ID

Photo your ground. Old Timer reads it like a map he drew himself in 1882.

📷

Gold Photo Analysis

Nugget type, weight estimate, probable source — specific, immediate, six centuries of pattern recognition.

🏔️

600-Year Memory

Ask him what this canyon looked like in 1650. He was there. He remembers every flood, every shift, every buried pay streak.

📡

Offline First

Full intelligence at zero bars. Runs on-device. Sync when you hit cell coverage back in Idaho City.

Download Modern Miner — Talk to Old Timer →
What's Next

Year One Is the Proof.
What Comes After Is the Point.

01

This Season

Field-testing Modern Miner across both claims — measuring everything, refining the platform against real ground.

02

The Network

Opening the platform to fellow prospectors and small mining operations who've been doing this their whole lives.

03

The Digital Twin

A fully mapped, AR-capable claim — topography, ancient riverbeds, water systems.

04

Next Season

Field-testing the fully mapped, AR-capable claim — topography, ancient riverbeds, and water systems brought to life in the field.

05

Grow the Network

Expanding the app and platform technologies, tools and commercialization — showcasing new capabilities to the broader mining world.

06

Launch in the App

Year one: awareness among real miners and IGPA members. Year two: casual prospectors and gold enthusiasts. Year three: full launch on Apple and Android.

Join the Dig

Follow the dig.