Fields Spring State Park

Fields Spring State Park is a 792-acre (321 ha) Washington state park located 4.5 miles (7.2 km) south of Anatone, Washington (or 30 miles (48 km) south of Clarkston), on State Route 129. The park includes Puffer Butte, which affords views of Idaho, Oregon, and Washington including the Wallowa Mountains and the Grand Ronde and Snake River basins.

• http://en.wikipedia.org/wiki/Fields Spring State Park
• Page 143 - Reidel, S. P., et al., 2016, The Columbia River Basalt Group of western Idaho and eastern Washington - Dikes, vents, flows, and tectonics along the eastern margin of the flood basalt province: Geol. Soc. Am. Fied Trip 41, p. 127- 150.