What does ES stand for?

Exploratory Shaft

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

1981: Department of Energy decides to proceed with construction of WIPP, and the first exploratory shaft is drilled.

WIPP TIMELINE

An exploratory shaft has been sunk to almost 1,400 metres and a mixed team of expatriate and Mongolian miners are now drifting laterally towards the main body of ore, nicknamed Hugo Dummett.

Canadian miners see bright future in Mongolia

An exploratory shaft has been sunk to almost 1,400 metres and a mixed team of expatriate and Mongolian miners are now drifting laterally towards the main body of ore, nicknamed Hugo Dummett.

Canadian miners see bright future in Mongolia

Above, on a couple of occasions, we see chutes leading up into the gloom, theremains of the exploratory shafts dug in the 18th and 19th centuries.

Pagan burial site? Too boring. UFO landing pad? Too bonkers. So what ...

In November 2001, however, a "significant" deposit was discovered on its Nickel Rim South property near the Greater Sudbury Airport prompting Falconbridge to plan an exploratory shaft to go down and explore it.

Mining report: life after 75: Falconbridge set to dig deep

Pre-feasibility work scheduled over the next four years includes dewatering a former mine site and sinking an exploratory shaft to 2170 meters below the surface, as well as preparing numerous studies to evaluate technical, legal and environmental issues and to prepare a mining plan.

Rio Tinto Announces US$652 Million Investment in Continued ...

United States : Rio Tinto announces US$652 million investment in ...

Andrew's acquired 50 per cent interest in the property and an exploratory shaft was sunk in an area that was believed to hold some, promising gold value, but the system wasn't considered economical to mine, says Gryba.

Production expected to begin at Taylor Mine