TY  - SER
AU  - Tolan,Terry
AU  - Beeson,Marvin
TI  - Intracanyon flows of the Columbia river Basalt Group in the lower Columbia River Gorge and their relationship to the Troutdale formation
SN  - 00167606
KW  - Stratigraphie
KW  - Lithologie
KW  - Basalte
KW  - Coulée
KW  - Etats Unis
KW  - Washington
KW  - Rivière Columbia
KW  - Oregon
N1  - bibliogr. p. 477
ER  -