Black and white photograph of the Merritts' first mining operation on the Mesabi, c.1892.

First mine on Mesabi Range, near Mountain Iron

The Merritts' first mining operation on the Mesabi, c.1892.

Black and white photograph of from left to right: Leonidas, John, and Bert Merritt exploring, 1890.

The portage taken at the Falls, 1890

From left to right: Leonidas, John, and Bert Merritt exploring, 1890.

Black and white photograph of Leonidas and Elizabeth Merritt, around the time merchantable ore was discovered on the Mesabi, c.1890.

Leonidas and Elizabeth Merritt

Leonidas and Elizabeth Merritt, around the time merchantable ore was discovered on the Mesabi, c.1890.

Black and white photograph of Lewis H. and Hephzibah J. Merritt, c.1880.

Lewis H. and Hephzibah J. Merritt

Lewis H. and Hephzibah J. Merritt, c.1880.

Black and white photograph of the Merritt family some twenty years before they began mining operations on the Mesabi, 1871.

Lewis H. and Hephzibah J. Merritt with their sons

The Merritt family some twenty years before they began mining operations on the Mesabi, 1871.

MN90: The Greatest Minnesota Athlete to Run on Four Legs

One of Minnesota's greatest athletes was Dan Patch, a harness horse from the turn of the 20th century who set the world record by pacing a mile in 1:55. When salesman Marion Savage (yes, the town Savage, MN is named after him) bought Dan Patch, he became very rich by turning his horse into a supreme pitchman for all kinds of products, including cars, watches and washing machines. MN90 producer Marisa Helms has the story.

MN90: The Lighthouse Keeper's Mistake

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MN90: Honeywell's Hot Little Thermostat

The Honeywell round thermostat design is one of the most user-friendly and underappreciated appliance designs of all time. MN90 Producer Andi McDaniel explains what has made the “T86 Round” so popular and so enduring.

MN90: The Citizens League

What makes Minnesota unique? The lakes, the weather...and the Minnesota Citizen's League. For over 60 years, the Minnesota Citizens League has helped tackle some of the toughest problems in the state. MN90 producer Allison Herrera tells us more about this influential organization.

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