In appraising such grazing lands the following factors shall be taken into consideration:
(1) Inventory of the forage resources: kind, amount, and location of vegetation;
(2) Accessibility and usability of the forage resources as influenced by topography, availability of stock water and season of usability;
(3) Condition of soils--the erosion situation;
(4) Other and related resources--such as timber and watershed protection;
(5) Annual animal carrying capacity used by other public agencies in the same locality;
(6) Pertinent facts and figures submitted by stockmen living in the area and directors of state grazing districts including the land or in its vicinity;
(7) Carrying capacity set for similar land in a state grazing district in which the land is situated.