1. Beeson MH (1969) A trace element study of silicic volcanic rocks of southeastern Oregon. PhD Thesis, Univ California, San Diego, 130 pp
2. Bloomfield K, Rubio GS, Wilson L (1977) Plinian eruptions of Nevado de Toluca Volcano, Mexico. Geol Rundsch 66:120–146
3. Bonnichsen B, Citron GP (1982) The Cougar Point Tuff, southwestern Idaho and vicinity. In: Bonnichsen B, Breckenridge RM (eds) Cenozoic Geology of Idaho. Idaho Bur Min Geol Bull 26:255–281
4. Bonnichsen B, Kauffmann DF (1987) Physical features of rhyolite lava flows in the Snake River Plain volcanic province, southwestern Idaho. Spec Pap Geol Soc Am 212:119–145
5. Booth B, Croasdale R, Walker GPL (1978) A quantitative study of five thousand years of volcanism on São Miguel, Azores. Phil Trans Roy Soc London A 288:271–319