SDCL § 31-11-1: Employment of county highway superintendent--Salary--Tenure.

The board of county commissioners at its discretion may employ a county highway superintendent, the salary and expenses to be fixed and allowed by the board of county commissioners, to be paid out of the motor vehicle fund of the county. No member of the board of county commissioners shall be appointed as county highway superintendent. The tenure of office of the county highway superintendent may be terminated at any time by resolution of the board of county commissioners upon thirty days' notice, but unless so terminated, the tenure of office shall be for two years.