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 ?
Dashed line represents location of large ridge, b) Normalized cost of ice trail construction from starting point of trail A to any other location on the map.
"They said, you stay in the planning stage forever, but you won't really know what you can do until you throw yourselves into the work and actually begin trail construction," Gonzales recalls.
Grants may be awarded for the acquisition of land from willing sellers, trail construction and rehabilitation, purchase of equipment for trail development and maintenance, restoration of areas damaged by unauthorized trail use, construction of trail-related support facilities (such as parking and restrooms), and educational programs.
Trail construction means digging out brush and debris to create a level hiking path a couple of feet wide.
"We're working on new trail construction, some re-routing, and the changes are going to continue as we try to improve this system," Aleman said.
1 and associated striping, site furnishings, regulatory signage, site demolition to include selective tree removal, and removal or redistribution of spoil pile, mangrove trimming and associated permits, floating kayak launch, limited trail construction through vegetation removal, project m.O.T., site utilities, landscape installation, construction permitting, and general site preparation.
A five-kilometer trail run and a one-mile walk will be held to raise money for trail construction and maintenance in the park.
Tenders are invited for the project will focus on: mapping of the existing 6 miles of park trails; mapping of new trails within the park; identification of potential connections to local trail networks; development of a resource guide for trail construction; and stakeholder outreach to garner public input for trail design.
Failure to comply with legislation related to trail construction could result in a penalty of up to $10,000, a remediation order to return the area to its original condition, and/or a jail term of up to six months.
The Project Will Involve The Site Clearance, Levelling, Fill Installation, Drainage And Trail Construction Works.
The group will also work to redesign a trail in the reclaimed portion of the existing gravel pit, so operations, trail construction and recreational activities can occur concurrently.
construction activities will include but are not limited to trench excavation, rock excavation, installation of sewer pipe and manholes, testing, earthwork and paving for trail construction, installation of drainage structures and erosion control measures.