Sentence examples for both surface and underground from inspiring English sources

Both surface and underground railway extensions were completed to the eastern suburbs in 1979.

Abundant waters, both surface and underground, and the limestones deposited during the early Carboniferous Period (more than 300 million years ago) have combined to create the area known as the Land of Ten Thousand Sinks, which includes such famous subterranean passages as Mammoth Cave.

Coal mining, including both surface and underground mining, has adverse impacts on land.

This unfolds the maintenance strategies that could be used to ensure just-in-time, effective, safe and customer-demand driven maintenance of the RVS machine when utilized in both surface and underground mining environments.

In the recent past, there is an increased use of metallic substances in industries and this has resulted an accumulation of heavy metals in aquatic environment contaminating both surface and underground water sources [2].

However, the experimentation of this maintenance system model (embedded with algorithms, e-maintenance tools) needs to be explored when the RVS machine is utilized in both surface and underground mines.

Due to water shortages and depletion of both surface water and underground aquifers, seawater is now used increasingly in the mining industry in northern Chile as a main alternative water resource.

The comprehension of the dissolution processes, that act both at the surface and underground, has developed rapidly in the last half century, although major achievements had already been reached at the end of the XIXth century.

Bucyrus specializes in large-scale surface and underground equipment for the extraction of coal, copper and other minerals.

Dallas, for example, gets its water mainly from reservoirs, and Houston draws from a combination of surface and underground sources.

And while natural gas may burn cleaner than coal, the hydrofracking process can contaminate surface and underground water and pollute air and land.