N.D. Cent. Code § 38-02-02: Width of lode claims - Extension - Reduction

The width of lode claims is one hundred fifty feet [45.72 meters] on each side of the center of the vein or crevice, except that any county, at any general election by a majority of the votes cast on the question at such election, may determine upon a greater width not exceeding three hundred feet [91.44 meters] on each side of the center of the vein or lode. By a like vote, any county may determine upon a width less than that specified in this section, except that a width of less than twenty-five feet [7.62 meters] on each side of the vein or lode is prohibited.