W. Niem
发表
R. Yeats,
S. Graham,
R. L. Christiansen,
1992
.
W. Niem,
1976
.
N. Macleod,
R. Wells,
W. Niem,
1983
.
R. Haugerud,
Lina Ma,
W. B. Hanson,
2019
.
By,
In-Chang Ryu,
W. Niem,
2003
.
P. Komar,
C. Peterson,
W. Niem,
1984
.
Geologic map of the greater Portland metropolitan area and surrounding region, Oregon and Washington
R. Haugerud,
Lina Ma,
D. Sherrod,
2020,
Scientific Investigations Map.
William L. Ellis,
William H. Schulz,
G. Priest,
2011
.
G. Priest,
S. Dickenson,
J. Allan,
2008
.