Cobalt in Timiskaming District, Ontario — Central Canada (North America)

Silver Miller Mines
⎯⎯⎯
Les mines Silver Miller

Photographed by Cosmos Mariner, June 2, 2022

1. Silver Miller Mines / Les mines Silver Miller Marker

Inscription. Click to hear the inscription.

[English] Although most of the original Cobalt mines had closed by the 1920s, many were operated in the coming decades by small independent operators known as leasers. A second major mining boom began in the 1940s when Silver Miller Mines found high grade silver at nearby Brady Lake. In the 1950s, the LaRose mine was reopened as the Silver Miller LaRose Mine. The property is now owned by Agnico-Eagle Mines.

[Français] Même si la plupart des mines originelles de Cobalt n'étaient plus en activité dans les années 1920, plusieurs ont continué d'être exploitées par de petits entrepreneurs indépendants connus sous le nom de « locataires à bail » (leasers). Les années 1940 ont connu un deuxième boom minier après la découverte par la mine Silver Miller de minerai à haute teneur d'argent près du lac Brady. Dans les années 1950, la mine LaRose a rouvert sous le nom de Mine Silver Miller LaRose. Elle est aujourd'hui la propriété des Mines Agnico-Eagle.

Erected by Cobalt Historical Society.

Topics. This historical marker is listed in this topic list: Industry & Commerce.

Location. 47° 23.957′ N,

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79° 40.695′ W. Marker is in Cobalt, Ontario, in Timiskaming District. It is on Lang Street just east of Ferland Avenue, on the right when traveling east. Touch for map. Marker is in this post office area: Cobalt ON P0J 1C0, Canada. Touch for directions.

Regionally, this marker is in Northeastern Ontario

and specifically in Northern Ontario.

It is also in Central Canada.

Globally, it is in North America,

the Great North Woods,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once a British colony,

the Viceroyalty of New France,

the Haudenosaunee (Iroquois) Confederacy,

and Rupert’s Land.

Other nearby markers. At least 8 other markers are within walking distance of this marker: 1977 Fire / L'incendie de 1977 (within shouting distance of this marker); Right-of-Way Mine Site (about 150 meters away, measured in a direct line); William Henry Drummond (approx. 0.4 kilometers away); Swamp Street / La rue Swamp (approx. 0.6 kilometers away); The Town Square / La place publique (approx. 0.6 kilometers away); Bruce Lonsdale Memorial Park (approx.

Marker detail: Silver Miller Mines image. Click for full size.

2. Marker detail: Silver Miller Mines

0.6 kilometers away); Cobalt Railway Station / La gare de Cobalt (approx. 0.6 kilometers away); Agnico Eagle Mines Limited (approx. 0.6 kilometers away). Touch for a list and map of all markers in Cobalt.

Also see . . . Larose Mine (HistoricPlacesDays).

Excerpt: In 1907 Larose Mines Ltd. was incorporated to develop the property and they mined it until 1908 when the Larose Consolidated Mining Co. took over. This was followed by LaRose-Rouyn Mines Ltd. in 1926, New Larose Mining & Smelting in 1948, and then Silver Miller Mines Ltd. in 1949. Silver Miller Mines Ltd. was the last company to mine silver here. Total silver production for the Larose property was close to 17.5 million troy ounces and 200,000 pounds of cobalt.
In 1972 Silver Shield Mines Inc. took over the property and all the buildings of Silver Miller Mines were demolished to make way for a proposed silver refinery and mint. Unfortunately, that never came about, and in 1975 Canadian Smelting and Refining Ltd. took the property over and built a refinery and operated here until 1982. Then Agnico-Eagle Mines Ltd. bought them out and refined their silver there until 1989 when the company shut down all operations in the Cobalt area.

(Submitted on July 6, 2026, by Cosmos Mariner of Cape Canaveral, Florida.)

3. Marker detail: Silver Miller Mines

Photographed by Cosmos Mariner, June 2, 2022

4. Silver Miller Mines / Les mines Silver Miller Marker

Looking south from Lang Street.

Credits. This page was last revised on July 8, 2026. It was originally submitted on July 6, 2026, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 8 times since then. Photos: 1, 2, 3, 4. submitted on July 6, 2026, by Cosmos Mariner of Cape Canaveral, Florida.

Silver Miller Mines⎯⎯⎯Les mines Silver Miller

Silver Miller Mines
⎯⎯⎯
Les mines Silver Miller