Andrews, G.W. (1966). Late Pleistocene diatoms from the Trempealeau Valley, Wisconsin. Geological Survey Professional Paper, Contributions to Paleontology, (523A): 127 pp., 1-3 pls.
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Andrews, G.W.
1966
Late Pleistocene diatoms from the Trempealeau Valley, Wisconsin
Geological Survey Professional Paper, Contributions to Paleontology