Lava flow on the south flank of South Sister. Photograph by Steve Mattox, August 1987.
Lava flow on the south flank of South Sister. Photograph by Steve Mattox, August 1987.
译文：三姐妹山南峰南坡上的熔岩流。史蒂夫·马托克斯在1987年8月拍摄。
Lava flow on the south flank of South Sister. Photograph by Steve Mattox, August 1987.
译文：三姐妹山南峰南坡上的熔岩流。史蒂夫·马托克斯在1987年8月拍摄。