Churchill County
- 243.010 - Creation—1861; boundaries redefined 1951 and 1983.
- 243.015 - Organized as distinct county—1864.
- 243.020 - Boundary line between Churchill and Lander Counties—1869.
- 243.025 - Boundary line between Nye, Churchill and Esmeralda Counties—1875.
- 243.027 - Boundary line between Churchill and Lyon Counties—1969.