kaivannaisalalla
Kaivannaisalalla, also known as "mining on the edge," refers to a mining technique used in the late 19th and early 20th centuries, particularly in the United States. This method involved mining coal or other minerals from the edge of a hill or cliff, rather than from the bottom of a valley. The miners would dig a series of tunnels and shafts along the edge of the hill, allowing them to extract the mineral deposits without the need for extensive underground workings.
The kaivannaisalalla technique was particularly common in the Appalachian region of the United States, where coal
Despite these risks, kaivannaisalalla mining remained a popular method for many years. It was often used to