- Northern celestial hemisphere (Wikipedia)
The northern celestial hemisphere, also called the Northern Sky, is the northern half of the celestial sphere; that is, it lies north of the celestial equator. This arbitrary sphere appears to rotate westward around a polar axis due to Earth’s rotation.
- Skagit Headquarters Wildlife Area Unit (wdfw.wa.gov)
The Skagit Headquarters Unit is tidal marsh (estuary) on Fir Island, west of and adjacent to Freshwater Slough. The unit is predominantly vegetated by cattail and sedge and used extensively by waterfowl and other waterbirds, shorebirds, raptors, and passerines.