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Soil Survey ("Reconnaissance") of the Northern Plains of Montana, by L.F. Gieseker ... and E.R. Morris ... and A.T. Strahorn and C.B. Manifold ...

Arthur Thomas Strahorn

出版	U.S. Government Printing Office, 1929
URL	http://books.google.com.hk/books?id=3VdVQwAACAAJ&hl=&source=gbs_api