Henry David Thoreau, the writer of Civil Disobedience, visits Minnesota on doctor’s orders to sample its thoroughly clean air. He roams the woods all-around Minnehaha Falls, cataloging the names of the indigenous flowers and birds. 


An endeavor to tunnel underneath St. Anthony Falls collapses the waterfall, forming a harmful whirlpool that threatens the region’s most important electricity supply. Hundreds of volunteers fill the hole, and finally the Minneapolis Hearth Division diverts the water.


Joseph A. Wheelock writes a letter in the St. Paul Pioneer Press urging conservation of the remaining stand of virgin pine trees all-around Lake Itasca. A year afterwards, Itasca will become Minnesota’s 1st condition park.


The U.S. Common Land Business office sets apart 500,000 acres of public lands to create a forest reserve in northern Minnesota. In 1905 a different 141,000 acres are set apart, and in 1909 President Teddy Roosevelt dedicates the land as the Exceptional Nationwide Forest.


20-four-year-outdated Itasca Point out Park commissioner Mary Gibbs confronts a gun-wielding lumberjack as mounting water threatens to drown the park’s outdated-development trees. Gibbs opens the Itasca dam, prevailing in the short phrase, but the loggers acquire an injunction and finally log the relaxation of the park.


A year soon after the massive Cloquet-Moose Lake fireplace kills 453 folks, activist groups like the Minnesota Federation of Women’s Golf equipment, aghast at the unregulated logging and swamp drainage that brought about the fantastic conflagration, lobby for federal oversight.  


The nobleman Rely William Rudolph Martinovich von Rovigno, a well-known hunter of moose and bear, enlists as a conservation guard in the nascent Exceptional Nationwide Forest. The mysterious rely roams the woods, imposing limitations on searching, fishing, and logging.


Activist Ernest Oberholtzer sorts the Quetico-Exceptional Council to oppose the seven new dams on Rainy Lake proposed by lumber baron Edward Wellington Backus. By 1930, President Hoover signs the Shipstead-Newton-Nolan Act, avoiding the alteration of lake levels on federal land.


Sigurd Olson, previous dean of Ely Junior College or university turned canoe clothes shop/guidebook, writes his 1st guide, The Singing Wilderness, filling it with new music to every single environmentalist’s ears: “Wilderness to the folks of The united states is a non secular necessity.”


After becoming hunted to close to extinction—the very last bison was noticed in Minnesota in 1880—three bison from Nebraska are introduced to Blue Mounds Point out Park in the hopes of forming a conservation herd. About one hundred thirty bison dwell in the park today.


Two industrial incidents spill far more than 3.5 million gallons of oil into the Mississippi River, killing and maiming countless numbers of ducks. Outraged citizens clamor for action, and condition senator Gordon Rosenmeier introduces a bill regulating the contamination of groundwater. 


Samuel Huntington Morgan is named president of the Minnesota Parks Foundation, which raises funds, buys land, and then sells it to the condition. Its 1st task: Afton Point out Park.


After Reserve Mining Co. had poured forty seven tons of taconite tailings and waste rock into Lake Exceptional every single minute, all-around the clock, for the previous 25 decades, Federal Choose Miles Lord orders them to cease. He will become the 1st decide to purchase a main industrial plant to halt operations in favor of the setting. 


Congressman Don Fraser’s modification to the Boundary Waters Canoe Location Wilderness Act—ending all logging and snowmobiling and additional restricting mining and motorboat use—passes despite significant opposition from his fellow Democrats up north.  


A team of Earth Firsters and Native American water protectors contacting on their own the Minnehaha Totally free Point out chain on their own to oak trees to protest the rerouting of Highway 55 by way of the Camp Coldwater Spring web-site. 


The Mille Lacs Band of Ojibwe fights in federal courtroom to restore their 1837 searching and fishing rights, even though white activity fishing proponents (which include previous Vikings coach Bud Grant) protest a proposed settlement at the condition capitol. In the end, the Supreme Court docket guidelines in favor of the Ojibwe.


The Trump administration reverses the Obama administration’s ban on mineral leasing on a 234,000-acre extend of land in the Rainy River watershed close to Ely. Twin Metals Minnesota’s revived options for a copper-nickel mine imperil the BWCA when once more.