Middle English mine "a pit or tunnel for digging out coal, gold, or diamonds," from early French mine (same meaning)

Naval mine, or sea mine, a mine at sea, either floating or on the sea bed, often dropped via parachute from aircraft, or otherwise lain by surface ships or submarines

Apr 4, 2026 · What is mining? Why do people mine materials from the earth? What kinds of resources are commonly extracted through mining? What are some methods used in mining, like open-pit and …

Mining claims represent a claimant's right to develop and extract a discovered, valuable, mineral deposit. Claimants identify potentially lucrative mining sites and register these locations with the Bureau of …

Mine helps you discover where your personal data is and manage your digital footprint. You decide where your data should or shouldn't be, we'll make it happen.

The National Mine Map Repository (NMMR), established by the Federal Coal Mine Health and Safety Act of 1969, is charged with maintaining an archive of all closed and abandoned mine maps from …

Mine definition: A deposit of ore or minerals in the earth or on its surface.

A mine refers to an excavation or a site where valuable minerals, metals, or other geological materials are extracted from the earth. It is typically an underground or surface operation that involves digging, …

Oct 19, 2023 · Mining is the process of extracting useful materials from the earth. Some examples of substances that are mined include coal, gold, or iron ore. Iron ore is the material from which the …

***MSHA Mine Data Retrieval System maintenance window starts Fridays 10:00PM ET to Saturday 10:00AM ET. Please be advised that there may be interruption to data retrieval during this time period.