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East Helena, Montana
East Helena is a city in Lewis and Clark County, Montana, United States, approximately east of downtown Helena. The population was 1,944 at the 2020 census. It is part of the Helena Micropolitan Statistical Area, which includes all of Lewis and Clark and Jefferson counties; its population is 83,058 according to the 2020 Census. History In 1864 gold was discovered in a gulch off the Prickly Pear Creek. This led to the founding of a mining camp along a small creek in the area which the prospectors called "Last Chance Gulch". In 1876 Drumlummon Mine opened and it produced a rich bounty of gold and silver worth millions of dollars. In 1888, the Helena & Livingston Smelting & Reduction Company's smelter was built. Workers and their families moved to the area. The settlement officially became the town of East Helena in 1889. The smelter plant operated from 1888 to 2001. It processed silver-lead ore. From 1927 to 1972, the Anaconda Company had a zinc recovery plant which supplie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
City
A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. In a narrower sense, a city can be defined as a permanent and Urban density, densely populated place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, Public utilities, utilities, land use, Manufacturing, production of goods, and communication. Their density facilitates interaction between people, government organisations, government organizations, and businesses, sometimes benefiting different parties in the process, such as improving the efficiency of goods and service distribution. Historically, city dwellers have been a small proportion of humanity overall, bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Superfund
Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the United States Environmental Protection Agency, Environmental Protection Agency (EPA) and is designed to pay for investigating and cleaning up sites contaminated with hazardous substances. Sites managed under this program are referred to as Superfund sites. Of the tens of thousands of sites selected for possible action under the Superfund program, 1178 (as of 2024) remain on the National Priorities List (NPL)The EPA and state agencies use the ''Hazard Ranking System (HRS)'' to calculate a site score (ranging from 0 to 100) based on the actual or potential release of hazardous substances from a site. A score of 28.5 places a site on the National Priorities List, eligible for cleanup under the Superfund program. that makes them eligible for cleanup under the Superfund prog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semi-arid Climate
A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-arid climates, depending on variables such as temperature, and they give rise to different biomes. Defining attributes of semi-arid climates A more precise definition is given by the Köppen climate classification, which treats steppe climates (''BSh'' and ''BSk'') as intermediates between desert climates (BW) and humid climates (A, C, D) in ecological characteristics and agricultural potential. Semi-arid climates tend to support short, thorny or scrubby vegetation and are usually dominated by either grasses or shrubs as they usually cannot support forests. To determine if a location has a semi-arid climate, the precipitation threshold must first be determined. The method used to find the precipitation threshold (in millimeters): * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Köppen Climate Classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (temperate), ''D'' (continental), and ''E'' (polar). Each group and subgroup is represented by a letter. All climates are assigned a main group (the first letter). All climates except for those in the ''E'' group are assigned a seasonal precipitation subgroup (the second letter). For example, ''Af'' indicates a tropical rainforest climate. The system assigns a temperature subgroup for all groups other than those in the ''A'' group, indicated by the third letter for climates in ''B'', ''C'', ''D'', and the second letter for climates in ''E''. Other examples include: ''Cfb'' indicating an oceanic climate with warm summers as indicated by the ending ''b.'', while ''Dwb'' indicates a semi-Monsoon continental climate, monsoonal continental climate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spring Meadow Lake State Park
Spring Meadow Lake State Park is a public recreation area covering just west of Helena, Montana. Once the site of a gravel pit and factory, the state park centers around a man-made, spring-fed lake, which is used for swimming, fishing, non-motorized boating, and scuba diving. The park also offers picnicking, a mile-long trail around the lake, and ice fishing and ice skating in winter. Largemouth bass, westslope cutthroat trout, yellow perch, and pumpkinseed The pumpkinseed (''Lepomis gibbosus''), also referred to as sun perch, pond perch, common sunfish, punkie, sunfish, sunny, and kivver, is a small to medium–sized freshwater fish of the genus ''Lepomis'' (true sunfishes), from the sunfish fami ... are the main catches. A fishing pier was added to lake in 2011. References External linksSpring Meadow Lake State ParkMontana Fish, Wildlife & ParksSpring Meadow Lake State Park Trail MapMontana Fish, Wildlife & Parks {{authority control Protected areas of Lewis and Cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hauser Dam
Hauser Dam (also known as Hauser Lake Dam) is a hydroelectric straight gravity dam on the Missouri River about northeast of Helena, Montana, in the United States. The original dam, built between 1905 and 1907, failed in 1908 and caused severe flooding and damage downstream. A second dam was built on the site in 1908 and opened in 1911 and comprises the present structure. The current Hauser Dam is long and high.''Upper Missouri River Reservoir Fisheries Management Plan, 2010–2019'', Montana Department of Fish, Wildlife and Parks, May 13, 2010, p. 11. The reservoir formed by the dam, Hauser Lake (also known as Hauser Reservoir), is long, has a surface area of , and has a storage capacity of of water when full.''Upper Missouri River Reservoir Fisheries Management Plan, 2010–2019'', Montana Department of Fish, Wildlife and Parks, May 13, 2010, pp. 7, 9. The dam is a "run-of-the-river" dam because it can generate electricity without needing to store additional water supplies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Helena
Lake Helena is a body of water along Prickly Pear Creek in the Helena Valley of Lewis and Clark County in southwestern Montana. It is in size and is above sea level. History Completion of Hauser Dam on the Missouri River in 1907 created Hauser Lake. In addition, it created an arm of the lake, flooding of Prickly Pear Creek and surrounding wetlands to form Lake Helena. In 1945, a causeway was built to separate the lake from the flooded canyon portion of the old Prickly Pear Creek. The causeway replaced a 1904 combination steel and wood bridge. The steel span was 120' long, and the overall length of the bridge was 520'. The concrete piers of the steel bridge, which was sold for scrap and dismantled in 1952, can still be seen just north of the causeway. Water from Tenmile Creek, Prickly Pear Creek, Silver Creek, and the Helena Valley Irrigation Project flows into the west end of the lake. Lake Helena supported a commercial carp fishery for decades. The marshy west end of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helena National Forest
Helena National Forest is located in west-central Montana, in the United States. Covering , the forest is broken into several separate sections. The eastern regions are dominated by the Big Belt Mountains, and are the location of the Gates of the Mountains Wilderness, which remains much as it did when the Lewis and Clark Expedition passed through the region. The western sections have both the continental divide and the Scapegoat Wilderness area, which is part of the Bob Marshall Wilderness complex. The southern region includes the Elkhorn Mountains. The forest is composed of a mixture of grass and sagebrush covered lowlands with "island" pockets of lodgepole pine and more mountainous areas where Douglas fir, spruce and larch can be found. The Rocky Mountains in the region do not exceed 10,000 feet (3,000 m). The grizzly bear has a sustained population in the northwestern section of the forest, especially in the Scapegoat Wilderness. Other predators such as wolves, bobcats, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gates Of The Mountains Wilderness
The Gates of the Mountains Wilderness is located in the U.S. state of Montana. Created by an act of U.S. Congress, Congress in 1964, the wilderness is managed by Helena National Forest. A day use campground near the Gates of the Mountains, Meriwether Picnic site, is named in honor of Meriwether Lewis. Gates of the Mountains Wilderness (then known as the Gates of the Mountains Wild Area) was the site of the 1949 Mann Gulch fire, which claimed the lives of 13 firefighters and which was the subject of Norman Maclean's book ''Young Men and Fire''. U.S. Wilderness Areas do not allow motor vehicles, motorized or mechanization, mechanized vehicles, including bicycles. Although camping and fishing are allowed with proper permit, no roads or buildings are constructed and there is also no forestry, logging or mining, in compliance with the 1964 Wilderness Act. Wilderness areas within United States National Forest, National Forests and Bureau of Land Management areas also allow hunting in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canyon Ferry Lake
Canyon Ferry Lake is a reservoir on the Missouri River 20 miles east of Helena, Montana near Townsend, Montana. It is Montana's third largest body of water, covers and has of shore. It was formed by the building of Canyon Ferry Dam, which was completed in 1954 and has been used for electricity, irrigation, and flood control since. Recreation The lake is a popular outdoor destination providing boating, fishing, wildlife habitat, and is nestled against the Big Belt Mountains of the Rocky Mountains. It is considered one of the most popular lakes in the state, with 24 recreation sites around the reservoir. Canyon Ferry Lake has also become a leading ice boat An iceboat (occasionally spelled ice boat or traditionally called an ice yacht) is a recreational or competition sailing craft supported on metal runners for traveling over ice. One of the runners is steerable. Originally, such craft were boats ... venue for iceboat racing and iceboat world speed record attempts. The f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boulder Hills (Montana)
The Boulder Hills, el. , is a set of foothills north of Boulder, Montana in Jefferson County, Montana. See also * List of mountain ranges in Montana This is a list of mountain ranges in the state of Montana. Montana is the fourth largest state in the United States and is well known for its mountains. The name "Montana" is Spanish Spanish might refer to: * Items from or related to Spain: * ... Notes {{Montana Mountain ranges of Montana Landforms of Jefferson County, Montana ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elkhorn Mountains
The Elkhorn Mountains are a mountain range in southwestern Montana, part of the Rocky Mountains and are roughly 300,000 acres (1200 km²) in size. It is an inactive volcanic mountain range with the highest point being Crow Peak at , right next to Elkhorn Peak, . The range is surrounded by the cities of Helena, Montana City, Townsend, Whitehall, and Boulder and is part of the Helena National Forest in Montana's Jefferson County. Geology The rocks of the Elkhorns were formed about 74 to 81 million years ago (Late Cretaceous time) as a result of the Farallon tectonic plate subducting beneath western North America and allowing magma to rise to the surface. The Elkhorn Mountains Volcanics are extrusive rocks related to the plutonic granites of the Boulder Batholith. Volcanic flows, lahars, and ash falls from sources in the Elkhorn Mountains reach as far as Choteau, Montana, but the thickest deposits lie within a radius of about from the Elkhorns. The volcanics probably orig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
