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US academics responding to the threat of privy digging, dump digging, metal detecting, and so on have helped create laws protecting objects of a certain age, usually only 50–100 years old, from exploitation by opportunistic looters and other thieves that disturb historic context in pursuit of treasure. [2]
Extremely large power shovels used to dig up overburden and resources. Pages in category "Stripping shovels" The following 6 pages are in this category, out of 6 total.
Principle of rope-shovel operation [1]. A power shovel, also known as a motor shovel, stripping shovel, front shovel, mining shovel or rope shovel, [2] is a bucket-equipped machine usually powered by steam, diesel fuel, gasoline or electricity and used for digging and loading earth or fragmented rock and for mineral extraction. [3]
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This is a list of historically significant items found by metal detecting method, only excluding magnet fishing finds, since magnet fishing is usually considered a distinctively different and separate hobby from traditional metal detecting.
Marion’s succession of giant shovels, many breaking world size records, starting with The Mountaineer in 1956 which was 16 stories. One shovel load moved approximately 90 tons, which was then one of the world's largest power shovels. [7] Marion's huge power shovel models eventually culminated in the world’s largest: the 1965 Marion 6360 ...