OPINION — AG — ** MEMORANDUM ** OF AUTHORITIES ON VALIDITY OF LAWS FIXING SALARIES OF PUBLIC OFFICERS (OR EMPLOYEES) ON POPULATION AND/OR ASSESSED VALUATION CLASSIFICATION — COUNTY COMMISSIONERS SALARIES — CENSUS — POPULATION CITE: 19 O.S. 179.1 [19-179.1], ARTICLE V, SECTION 46, ARTICLE V, SECTION 47, ARTICLE V, SECTION 59 (FRED HANSEN)