9 results on '"R.C. Severson"'
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2. Spatial variation in total element concentration in soil within the Northern Great Plains coal region and regional soil chemistry in Bighorn and Wind River basins, Wyoming and Montana
3. Field observations and chemical analyses of vegetation, soils and spoil materials, Jarvis Creek preference coal lease, Alaska
4. Selenium in soils and plants from native and irrigated lands at the Kendrick Reclamation Project Area, Wyoming
5. Chemical character of minesoils at one Alaskan and twelve western conterminous United States coal-stripmines
6. A comparison of methods for estimating extractable amounts of 17 constituents in samples of mine soil from coal strip mines in the Western Energy Region
7. Element concentrations in rehabilitation species from thirteen coal-stripmines in five Western States and Alaska
8. Essential elements and soil amendments for plants; sources and use for agriculture
9. Sources and uses of fertilizers and other soil amendments for food production; an outline
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