Nevada Revised Statutes Title 20. Counties and Townships: Formation, Government and Officers § 243.260. Creation--1911

The County of Mineral is hereby erected out of the following territory: All that portion of Esmeralda County lying northerly of a line drawn, commencing at the intersection of the Mount Diablo baseline with the Von Schmidt's survey of the boundary line between Nevada and California, running thence east to the southeast corner of T. 1 N., R. 32 E., on the Mount Diablo baseline; thence northeasterly to the southwest corner of T. 7 N., R. 38 E., M.D.B. & M.; thence continuing in the same direction intersecting the boundary line between the Counties of Nye and Esmeralda, which territory is hereby detached and set aside from Esmeralda County, and the County of Mineral erected therefrom.