The maintaining, improving and beautifying of cemeteries for the burial of the human dead is hereby declared to be one of the first considerations of a civilized people and a fixed and permanent policy of the state of Idaho, and the same is hereby declared to be a public benefit, use and purpose, and there is hereby imposed upon the cemetery maintenance boards, provided for in this act, the duty of beautifying, improving and maintaining the cemetery or cemeteries within their cemetery maintenance districts. And it is hereby declared and determined that any and all property within any cemetery maintenance district created under the provisions of this act is and shall be benefited ratably with all other property within such district, in proportion to its assessed valuation by the creation of such district and by any and all improvements to the cemetery or cemeteries within such district for the maintenance of which such district was created, and that all property within any such district shall be assessed equally in proportion to its assessed valuation for the purpose of cemetery improvement and maintenance under the provisions of this act.