- Telegraph Slough Wildlife Area Unit (wdfw.wa.gov)
The Telegraph Slough Unit is a freshwater wetland that was created when highway construction crossed the Swinomish Channel to Fidalgo Island. The Department of Natural Resources has a land-use agreement to manage the wetland for waterfowl hunting and wildlife observation.
- Silicate mineral (Wikipedia)
Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 percent of Earth’s crust.