Suggested Topics within your search.
Suggested Topics within your search.
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1by Ehrhardt, Wilhelm, 1924-
Published 1961[1961]76 p. illus. 29 cm.Subjects: “...Geology, Structural Germany Ruhr River Valley....”
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2by Härri, Markus, 1965-
Published 1998Zürich : Swiss Federal Institute of Technology Zürich, 1998.151, [20] p. : ill., maps.Subjects: “...Geology, Structural Jura Mountains (France and Switzerland)...”