Foraminifera from the northern Olympic Peninsula, Washington /

Autor Rau, Weldon W., 1921-2016
Vydáno 1964

Geology and coal resources of the Centralia-Chehalis District, Washington /

Autor Brown, R. D., Roberts, Albert Eugene, 1921-, Rau, Weldon W., 1921-2016
Vydáno 1958