Category:Soil science in Washington (state)
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Media in category "Soil science in Washington (state)"
The following 3 files are in this category, out of 3 total.
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Soil survey interpretations for woodland conservation, progress report, southwest Washington, 1962 (IA CAT10676850).pdf 1,181 × 1,602, 92 pages; 5.4 MB
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Forest and range soils research in Oregon and Washington - a bibliography with abstracts from 1964 through 1968 (IA CAT92272727).pdf 1,439 × 2,029, 40 pages; 1.55 MB