Trail

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Trail,

city (1991 pop. 7,919), SE British Columbia, Canada, on the Columbia River just N of the Wash. border. It is a metal-smelting center for a mining area that produces lead, zinc, silver, and gold. Sulfuric acid and fertilizers are manufactured there.

Trail

 

a city in Canada, in the southern part of the province of British Columbia. Population, 11,100 (1971). Trail is a center for the extraction and processing of complex ores. It has a large smelting combine that produces one-half of Canada’s smelted zinc and two-thirds of the country’s smelted lead; antimony and other metals are smelted as well. Trail also produces chemicals.

trail

[trāl]
(astronomy)
A luminous trace left in the sky by the passage of a large meteor.
(geology)
A line of rock fragments that were picked up by glacial ice at a localized outcropping and left scattered along a fairly well-defined tract during the movement of a glacier.
(graphic arts)
One of the lines left on a photographic plate during prolonged exposure to starlight if the motion of the plate was not synchronized with the apparent motion of the sky.
(ordnance)
In bombing, the line between the point of impact of the bomb and a point on the ground directly beneath the aircraft at the moment of impact, assuming that the aircraft stays on course after release of the bomb and maintains a constant speed.
Rear part of a gun carriage which connects the piece with a limber or tractor.

trail

1. the scent left by a moving person or animal that is followed by a hunting animal
2. Engineering the distance between the point of contact of a steerable wheel and a line drawn from the swivel pin axis to the ground
References in periodicals archive ?
Wildlife officers will advise on conservation measures such as creating newwoodland walks and nature trails as well as offering guided walks.
Other facilities at the WTB accredited centre include a huge indoor play area, nature trails, tea rooms serving home-cooked food, outdoor play and picnic areas (www.cantref.com).
A local police officer said: "It's a lovely spot adopted by locals as a sort of nature trail.
New Delhi, Dec 12 (ANI): President Pratibha Patil will open the Nature Trail at president's estate tomorrow.
We've gone on a nature trail to capture the best home ware and made creating pretty, fresh rooms as easy as a walk in the park!
SUITABLE for the whole family, learn more about everyday wildlife on a two mile nature trail on Monday, August 27, from 10.30am-noon.
Activities offered at the Blaydon Burn Springwatch Festival include a children's nature trail, an archaeological dig with John Nolan from Northern Counties Archaeology and Ian Ayris, Tyne and Wear's Industrial Archaeologist, as well as history walks, face painting and storytelling.
The birds can be seen from the Ron Barker Hide, which is at the end of the reserve's nature trail.
The derelict centre will be given a makeover and turned into a mini nature trail for nursery children.
These include an adventure playground, nature trail, retired pit ponies, diesel and electric locomotives and an underground tour of the mine.
HARTLEPOOL Borough Council is inviting the public on a summertime nature trail walk this Sunday.