overburden
61Mass wasting — at Palo Duro Canyon, West Texas (2002) …
62Hillclimbing (railway) — While railways have a great ability to haul very heavy loads, this advantage only really applies when the tracks are fairly level. As soon as the gradients stiffen, the tonnage that can be hauled is greatly diminished.Techniques to overcome steep …
63Powder River Basin — The Powder River Basin The Powder River Basin is a geologic region in southeast Montana and northeast Wyoming, about 120 miles (190 km) east to west and 200 miles (320 km) north to south, known for its coal deposits. The region supplies …
64Dimension stone — Large blocks of granite dimension stone being loaded at Teignmouth in 1827. Dimension stone is natural stone or rock that has been selected and fabricated (i.e., trimmed, cut, drilled, ground, or other) to specific sizes or shapes. Color, texture …
65Bucket-wheel excavator — Bucket wheel excavators are heavy equipment used in surface mining and civil engineering. They are among the largest vehicles ever constructed, and the biggest bucket wheel excavator ever built, the MAN Takraf RB293, is the largest terrestrial… …
66Bill Wattenburg — Willard Harvey Wattenburg (born February 9, 1936), better known as Dr. Bill Wattenburg or Dr. Bill, is an inventor, scientist, author, and radio talk show host residing in the Sierra Nevada region of California. Advertisements for his show often… …
67Bemolanga — is the name of a large tar sands deposit in the onshore Morondava Basin of Madagascar discovered in the early 1900s. Madagascar Oil is current license holder of the Bemolanga field. It describes the field as being a giant bitumen field of 8… …
68Power shovel — P H 4100 XPB cable loading shovel A power shovel (also stripping shovel or front shovel or electric mining shovel) is a bucket equipped machine, usually electrically powered, used for digging and loading earth or fragmented rock and for mineral… …
69Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… …
70Mirash open-cast coal mine — The Mirash and Bardh open cast coal mines are lignite coal mines in Kosovo operatied by the Kosovo Energy Corporation (KEK). Production The two mines cover a working surface area of 10 km2 (3.9 sq mi) and, if all the external dump… …
