The deepest mine shaft in the world is the Kola Superdeep Borehole in Russia, which reaches a depth of about 12,262 meters (40,230 feet). However, in terms of operational mines, the deepest is the Mponeng gold mine in South Africa, which extends to around 4,000 meters (13,123 feet) below the Earth's surface. These depths present significant engineering and geological challenges, including extreme temperatures and pressures.
I don't know the deepest mine in the US but Resolution Copper Mining's #10 shaft in Superior, AZ is more than 6000ft deep
The superlative form of the word "deep" is "deepest".
The deepest ocean is 36,200ft deep
The Enterprise mine, a copper ore mine located at Mt Isa Mines, is currently Australia's deepest mine. Its shaft is 1,900m deep.
The Pacific Ocean has the deepest point in the Challanger Deep.
The merced river is about 5 ft deep at its deepest point.
23cm deep
That is the correct spelling of "deepest" (most deep, or innermost).
The South Pacific Ocean is 35,797 feet deep at it's deepest point. This means that the deepest point is 10,911 meters deep.
What is the deepest part of the world’s oceans and how deep is it?
Not that deep 2 to 3 centimetre
8 inches