Soil, the most valuable mineral resource, its origin, destruction and preservation, by W. H. Twenhofel.
Material type:
TextSeries: Oregon. State Dept. of Geology and Mineral Industries. Bulletin ; no. 26Publication details: [Portland, 1944]Description: 45, [2] p. illus., plates. 28 cmSubject(s): DDC classification: - 631.45
- QE155 .A3 no. 26
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Reproduced from type-written copy.
"References cited": p. [46]-[47]
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