- The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the Solar System as Earth’s North Pole.
- Adams County — Thumbnail History (historylink.org)
Adams County is a predominantly rural county located in southeastern Washington, with Ritzville serving as county seat. Since 1952 Columbia River water brought through the Columbia Basin Project has irrigated region’s fertile volcanic soil.