Less landscape damage occurs, since the bacteria involved grow naturally, and the mine and surrounding area can be left relatively untouched.

* 1841: First documented case of decompression sickness occurs, reported by a mining engineer who observed pain and muscle cramps among coal miners working in mine shafts air-pressurized to keep water out.

It occurs globally in copper ores with notable crystal localities in Butte, Montana and at Bristol, Connecticut in the U. S. It is also collected from the Carn Brea mine, Illogan, and elsewhere in Cornwall, England.

Iron ore in the form of siderite, commonly known as iron stone or historically as mine, occurs in patches or bands in the Cretaceous clays of the Weald.

In the context of mining or geology, spallation can refer to pieces of rock breaking off a rock face due to the internal stresses in the rock ; it commonly occurs on mine shaft walls.

Although the process of mine reclamation occurs once mining is completed ; the preparation and planning of mine reclamation activities occur prior to a mine being permitted or started.

* 9 March – An earthquake measuring 5. 3 on the Richter scale occurs at Stilfontein's Hartebeestfontein gold mine.

* 23 May – A seismic event measuring about 3. 5 on the Richter scale occurs at 08: 10 with its epicentre at Carletonville, west of Johannesburg and causes rockfalls at East Driefontein gold mine, injuring 19 miners, 3 seriously.

# An event at a mine which causes death or bodily injury to an individual not at the mine at the time the event occurs.

Fukuchilite, Cu < sub > 3 </ sub > FeS < sub > 8 </ sub >, is a copper iron sulfide named after the Japanese mineralogist Nobuyo Fukuchi, that occurs in ore bodies of gypsum-anhydrite at the intersection points of small masses of barite, covellite, gypsum and pyrite, and is mostly found in the Hanawa mine in the Akita prefecture of Honshū, Japan where it was first discovered in 1969.

It occurs in masses within the third geologic unit of the kuroko type deposits within the mine.

A cave-in is a collapse of a geologic formation, mine or structure which typically occurs during mining or tunneling.

Once a major gold mining area, the country around West Nicholson is riddled with small workings, the only major mining activity still occurs about four kilometers along the main road towards Bulawayo, the mine being called Jessie Mine owned by F. A.

Corral occurs in Tombstone, Cochise County, Arizona, USA.

* 1917 – The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1, 300 striking miners and others from Bisbee, Arizona.

* The last major volcanic eruption occurs of Sunset Crater, in Arizona.

Populus fremontii ( Fremont cottonwood ) occurs in California east to Utah and Arizona and south into northwest Mexico ; it is similar to the eastern cottonwood, differing mainly in the leaves having fewer, larger serrations on the edge, and small differences in the flower and seed pod structure.

In northern areas of its range it occurs from 2, 600 m above sea level or more, in some parts of its range it may not occur below 3, 500 m. In Oaxaca in Mexico it occupies a range of between 1, 700 – 3, 000 m further south in Guatemala it ranges down to 1, 850 m and at the southern end of its range it can be found as low as 1, 000 m in Honduras and in Nicaragua it occupies a belt of forest from 1, 070 and 1, 370 m. They typically inhabit conifer forests, such as ponderosa and sugar pine forests in Arizona, Abies common fir forests, oak, and pine forests in central Mexico, Guatemala, and Honduras.

In winter, it occurs from South Dakota and southern Minnesota south to Arizona, New Mexico, Texas and Louisiana.

In the United States the Mexican Spotted Owl occurs in disjunct populations in mountain ranges and canyons of Utah, Colorado, Arizona, New Mexico, and extreme western Texas.

Molybdenite also occurs in porphyry copper deposits of Arizona, Utah, and Mexico.

Between 1948 and 1967, the southern extent of the Monument Upwarp was mined for uranium, which occurs in scattered areas of the Shinarump siltstone ; vanadium and copper are associated with uranium in some deposits ( see Uranium mining in Arizona ).

It occurs in the northern part of the range, from Durango to Arizona, tolerates frost down to about − 10 ° C to − 15 ° C, and very dry conditions.

The Mountain Skink occurs from southeastern Arizona and extreme southwestern

In Arizona, Mountain Skink occurs in the Coronado National Forest.

E. m. epipleurotus occurs from south-eastern Utah and southern Colorado through Arizona, New Mexico, and western Texas to Chihuahua in Mexico.

Many characters are students or faculty at the school or patients or staff at the halfway house ; a conversation between a quadruple agent and his government contact occurs at the Arizona location.

There it occurs south and southwest of the Arizona transition zone of the Mogollon Rim ; in the northwest-central Sonoran Desert of Arizona, it is in a few selected locales.

Gopherus morafkai occurs east of the Colorado River in Arizona as well as in the states of Sonora, Sinaloa, Mexico.

An isolated population of Agassiz's Desert Tortoise occurs in the Black Mountains of northwestern Arizona.

P. pungens occurs widely in the montane zone of the central and southern Rocky Mountains, from southeast Idaho and southwest Wyoming, south through Utah and Colorado to Arizona and New Mexico.

Localities in which caledonite occurs as well developed crystals are quite rare and include the Mammoth-St. Anthony Mine at Tiger, Arizona, a few mines in California, such as the Reward Mine.

It occurs in the Rocky Mountains from Montana to southern Arizona and New Mexico.

In Arizona, hatching occurs in September.

While D. tityus is found in the eastern United States, Dynastes granti ( the western Hercules beetle ) occurs at higher elevations in Arizona and Utah, and Dynastes hyllus is found as far north as Tamaulipas, Mexico.

In Canada, it is found in the provinces of Alberta, British Columbia, Manitoba and Saskatchewan ; in the United States, it occurs in Arizona, California, Colorado, Idaho, Kansas, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Utah, Washington and Wyoming ; in Mexico, it is only found in Baja California.

And this occurs now, at the refrain of Jacoby's song -- at the point, in fact, of the name `` Lizzy '' -- ; ;

This idea, which occurs in both Tatian and Cyprian, fits especially well into the scheme of Irenaeus' theology ; ;

; Lack-of-fit error: Error that occurs when the analysis omits one or more important terms or factors from the process model.

; Random error: Error that occurs due to natural variation in the process.

When scratched with a sharp implement, an exothermic reaction occurs and white fumes are given off as metallic antimony is formed ; when rubbed with a pestle in a mortar, a strong detonation occurs.

This word is usually conceded to be derived from the Hebrew ( Aramaic ), meaning " Thou art our father " ( אב לן את ), and also occurs in connection with Abrasax ; the following inscription is found upon a metal plate in the Carlsruhe Museum:

Hypnozoites are found in Karyolysus lacerate and most species of Plasmodium ; transovarial transmission of parasites occurs in life cycles of Karyolysus and Babesia.

This case is also used for nouns in several other senses, e. g., where the action occurs " because of " or " without " a certain noun ; nouns indicating distance or direction.

Toxicity occurs at about ten times normal dosages ; these drugs are often lethal in overdoses, as they may cause a fatal arrhythmia.

Nicotine is believed to act as an antidepressant, by it stimulating the release of dopamine and norepinephrine ; additionally, nicotine is believed to exert an antidepressant effect due to the desensitisation of nicotinic receptors which occurs as a result of tolerance.

According to the Brown Driver Briggs lexicon, the Hebrew abaddon ( Hebrew: אבדון ; avadon ) is an intensive form of the Semitic root and verb stem abad ( א ָ ב ַ ד ) " perish " ( transitive " destroy "), which occurs 184 times in the Hebrew Bible.

This assumption is justified if a poor image on the focusing screen remains stationary when the aperture is diminished ; in practice, this generally occurs.

A kindling effect also occurs in alcoholics whereby each subsequent withdrawal syndrome is more severe than the previous withdrawal episode ; this is due to neuroadaptations which occur as a result of periods of abstinence followed by re-exposure to alcohol.

Communication occurs both ways ; power management events are sent from the BIOS to the APM driver, and the APM driver sends information and requests to the BIOS via function calls.

Another risk occurs if the items being bought and sold are not identical and the arbitrage is conducted under the assumption that the prices of the items are correlated or predictable ; this is more narrowly referred to as a convergence trade.

In most amplifiers a reduction in gain takes place before hard clipping occurs ; the result is a compression effect, which ( if the amplifier is an audio amplifier ) sounds much less unpleasant to the ear.

Intramembranous ossification mainly occurs during formation of the flat bones of the skull but also the mandible, maxilla, and clavicles ; the bone is formed from connective tissue such as mesenchyme tissue rather than from cartilage.

Endochondral ossification, on the other hand, occurs in long bones and most of the rest of the bones in the body ; it involves an initial hyaline cartilage that continues to grow.

* Nebuchadnezzar's illness occurs in Babylon ; Nabonidus is stricken in Tema.

Journalist Bee Wilson states that the image of a community of honey bees " occurs from ancient to modern times, in Aristotle and Plato ; in Virgil and Seneca ; in Erasmus and Shakespeare ; Tolstoy, as well as by social theorists Bernard Mandeville and Karl Marx.