The Tobacco Root Mountains lie in the northern Rocky Mountains, between the Jefferson and Madison Rivers in southwest Montana.[1] The highest peak is Hollowtop at 10,604 feet (3,232m). The range contains 43 peaks rising to elevations greater than 10,000 feet (3048m).
Much of the central part of the range is within the Beaverhead-Deerlodge National Forest, although many—mostly small—patentedmining claims exist within the forest boundary. The range saw significant gold mining, especially during the 1880s to 1930s.
The high peaks have been extensively glaciated, and most of the larger stream valleys held valley glaciers during the ice age.
Discovery and nomenclature
When Lewis and Clark came through southwest Montana in 1805, they named many rivers — but if they referred to the mountain ranges by name, the names are not recorded. The 1865 DeLacey Map of Montana Territory does not name the Tobacco Roots. The first written reference to the mountains between the Madison and Jefferson Rivers is F.V. Hayden's 6th Annual Report of the Geological Surveys of the Territories for 1873, in which the name South Bowlder Range is mentioned, a reference to the largest river in the north part of the mountains. Although this usage (usually spelled "South Boulder Range") is followed in many Geographies and Atlases of the 1890s and early 1900s, the USGS Three Forks Folio [2] labels the mountains "Jefferson Range."
The earliest known use in print of the name Tobacco Root Mountains is Winchell's (1914) report on mining districts of the Dillon Quad.[3] The name was also used by Billingsley in a 1918 paper on the Boulder Batholith, published by the American Institute of Mining Engineers. "Tobacco Root" appears in most subsequent publications, including Montana Bureau of Mines and Geology reports (at least since 1933), National Forest Maps (since 1938), and the Official Montana Highway Maps.
A map in Fenneman's Physiography of Western United States (1931) shows a long Jefferson Range to include what is now called the Tobacco Roots plus the Gravelly Range. Oil Company highway maps from the late 1960s and early 1970s show "Tobacco Root Mountains" in the north, and "Jefferson Range" in the south (northwest of Ennis and north of Virginia City). Preliminary topographic maps of the area (Bureau of Reclamation, Missouri Basin Project) from 1947 to 1948 show Jefferson Range, but on the 1950 15-minute sheet (Harrison Quad) the identical topography is labeled "Tobacco Root Mountains" in the same place as "Jefferson Range" on the maps that were just two years older.
The 1947 Bozeman 1:250,000 shaded relief map has Jefferson Range, but the 1958 (Bozeman 1:250,000) and 1962 (Dillon) regular editions use Tobacco Root Mountains.
Origin of name
Curly Lake in the Tobacco Root Mountains
The basis for the name Tobacco Root is unclear. John Willard [4] says "Indians and early trappers found a root in these mountains that, when dried and mixed with larb, made a suitable substitute for real tobacco. The root was a species of mullein."
The term "tobacco root" is also an old name for species of arnica; native and European-introduced arnica are wildflowers in Western Montana, including the Tobacco Root Mountains.
Tansley, Shaffer and Hart (1933)[5] attribute the practice of drying a species of mullein and mixing it with kinnikinic (bearberry) to replace tobacco to John Edwards, a prospector from Flint Creek, in the 1860s. He also gave the name to the hills in which the root was found. Kinnikinic, as the name of a mixture and not the bearberry plant, was a leaf-bark mixture, including sumac and dogwood leaves, smoked by Indians and pioneers in the Ohio Valley in the 18th century. It was probably more or less the same as the "larb" mentioned above.
Other sources have reported the root to be a variety of the bitterroot, Montana's protected state flower. Shoshone Indians reportedly cooked the root and ate it, and it supposedly smelled like tobacco.
The land is used mostly in livestock grazing and logging. Land stewardship in the North Tobacco Root Mountains and Foothills area is U.S. Federal Agencies at 32,309 acres (130.75km2) (14.4%), which include BLM at 17,544 acres (71.00km2) (7.8%), USFS at 14,765 acres (59.75km2) (6.6%), State agencies at 20,695 acres (83.75km2) (9.2%), private at 171,985 acres (696.00km2) (76.4%).[9]
↑ Peale, A.C., 1896, Three Forks Folio, U.S. Geological Survey
↑ Winchell, A.N., 1914, Mining Districts of the Dillon Quadrangle: USGS Bull. 574
↑ Adventure Trails in Montana, by John Willard, sponsored by Montana Historical Society, 1971
↑ Tansley, W., Schafer, P.A., and Hart, L.H., 1933, A geologic reconnaissance of the Tobacco Root Mountains, Madison County, Montana: Montana Bureau of Mines and Geology Memoir 9
↑ Reid, R.R., 1957, Bedrock geology of the north end of the Tobacco Root Mountains, Madison County, Montana: Montana Bureau of Mines and Geology Memoir 36
↑ Precambrian Geology of the Tobacco Root Mountains, Montana, John B. Brady, H. Robert Burger, John T. Cheney, and Tekla A. Harms, editors, Geological Society of America Special Paper 377, 2004
↑ Tectonic controls for thrust belt and Rocky Mountain foreland structures in the northern Tobacco Root Mountains – Jefferson Canyon area, southwestern Montana, by C.J. Schmidt and T. E. Hendrix, Montana Geological Society Guidebook, Southwest Montana, 1981, p. 167-180.
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The Jefferson River is a tributary of the Missouri River, approximately 83 miles (134 km) long, in the U.S. state of Montana. The Jefferson River and the Madison River form the official beginning of the Missouri at Missouri Headwaters State Park near Three Forks. It is joined 0.6 miles (1.0 km) downstream (northeast) by the Gallatin.
The Boulder River is a 77-mile (124 km) tributary of the Jefferson River in southwestern Montana in the United States.
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Mount Jefferson is a mountain in the U.S. state of Montana, and is one of the many 10,000+ ft peaks in the Tobacco Root Mountains. The mountain is located in Beaverhead-Deerlodge National Forest. Hollowtop Mountain is an adjacent, taller peak less than .75 miles (1.2 km) to the north. Over the years, the two summits have had numerous names and elevations recorded on various maps. According to U.S. Geological Survey topographic maps, Mount Jefferson is 10,513 ft (3,204 m), while Hollowtop Mountain to the north is 10,604 ft (3,232 m).
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The Madison Range is a mountain range located in the Rocky Mountains of Montana and Idaho in the United States. The range was named in honor of future President of the United States, then U.S. Secretary of State James Madison by Meriwether Lewis as the Lewis and Clark Expedition travelled through Montana in 1805. The range extends 80 miles (130 km) from West Yellowstone, Montana to Bozeman, Montana and is flanked by the Madison River on the west and the Gallatin River to the east. The highest point in the range is Hilgard Peak at 11,316 ft (3,449 m), a remote peak that wasn't climbed until 1948.
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