- Telephones are a crucial part of modern living while at home, and the smartphone has become a crucial tool for most also when travelling. The phone can be an excellent tool for keeping in touch, planning or obtaining roadside assistance.
- Sunset Mine (washingtonminerals.com)
Index Batholith (Oligocene) - Uplift and erosion of the Old Cascade Volcanic Arc exposed plutonic rock of the Index Batholith near Index, Washington. Intrusive rock types found within the Index Batholith range in composition from granodiorite to tonalite.