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Underground mining is a set of methods that allows the extraction of ore in depth, ensuring sustainability and economic viability. One of the problems that arise in underground mine operations is open stope stability. The method for assessing stability of open stopes is the stability graph proposed by Mathews et al. (1981) . It is possible to estimate and provide information about this stability and assist in the decision making about its viability. With the data obtained from 35 open stopesdoi:10.1590/0370-44672020730012 fatcat:vhvuhxdfprbjvlxr7pwpbemtz4