; (II) disking; (III) mowing; (IV) chaining; (V) the use of a forestry mulcher; (VI) prescribed fire; (VII) invasive species management; or (VIII) any other method of vegetation restoration that the applicable State commission considers to be appropriate. (ii) The conduct of pinyon or juniper treatments using a method such as— (I) prescribed fire; (II) hand removal; (III) chaining; (IV) dozing; (V) the use of a forestry mulcher; or (VI) any other method that a State commission considers to be appropriate. (iii) Any change to— (I) the type of domestic livestock grazing on the applicable allotment; or (II) the number of, or season of use for, permitted animal unit months that a State commission makes to the allotment management plan. (iv) The installation of new fencing and the maintenance and repair of existing fencing, including— (I) the installation of cattle guards; (II) the installation of new fencing to adjust pasture boundaries; (III) the installation of new gates; and (IV) the removal of fencing. (v) Water infrastructure improvements described in paragraph (4). (vi) Any other activity that would otherwise qualify for a categorical exclusion under an allotment management plan, permit, or lease for domestic livestock grazing. (4) Water infrastructure improvements A cooperative agreement shall include, with respect to allotment management plans authorized under paragraph (2), the assignment to the State of the responsibilities of the Secretary concerned to approve or construct water infrastructure improvements that are appropriate for the improvement of public grazing, including— (A) (i) guzzlers, head boxes, ponds, pumps, tanks, springs, wells, diversions, troughs, impoundments, water control structures, and pipelines; or (ii) any other improvements that the applicable State commission considers appropriate; and (B) any appurtenance to an improvement described in subparagraph (A). (5) Access to land