PERMFILE68955

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH2 1996 Section 2.04.6 Geology Description
• Media Type: D
• Archive: Yes

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7. The lower limit of 8 is recommended by Barrett et al. (1980), WDEQ (1985), USDA
(1983),USDI-OSMRE (1985a), Schafer (1979, 1980), and USDI-BLM (1977). Both MDSL
(1983) and USDA (1979) indicate lower limits of 4 and 6 may be essential for certain plant
species. The upper limit of 12 is proposed by WDEO (1985) and USDI-OSMRE (1985a),
whereas USDA (1983) and USDI-BLM (1977) recommend 16, USDA (1979) proposes 9,
white MDSL (1983) and Schafer (1979, 1980) specify 8.
8. These values are recommended by USDI-OSMRE (1985a), MDSL (1983), and WDEQ
(1985) with the exception that WDEQ (1985) proposes an upper limit of 80.
9. Specific level depends upon clay mineralogy, soil texture, and saturation percentage
according to Dollhopf et al. (1985) and MDSL (1983).
10. These values are similar to those recommended by Barrett et al. (1980), MDSL (1983),
WDEQ (1985), USDA (1983), USDI-OSMRE (1985a), Schafer (1979, 1980), and
USDI-BLM (1977).
11. Proposed by USDI-OSMRE (1985a).
12. These values are similar to those recommended by Barrett et aI. (1980), MDSL (1983),
Schafer (1979, 1980), USDI-OSMRE (1985a), and USDI-BLM (1977). USDA (1979)
proposes 12.
13. Proposed by USDI-OSMRE (1985a).
14. The specific percentage of clay or sand will depend upon clay mineralogy, size of sand
fraction, and saturation percentage. Abbreviations include s -sand, M-Cos -medium to
coarse sand, s -loamy sand, lays sandy foam, i loam, si -silt, sil -silt loam, sicl -silty clay
loam, sic -silty clay, cl -clay loam, sc -sandy clay, c -clay.
15. Very similar to recommendations by Schafer (1979, 1980), USDI-OSMRE (1985a), USDA
(1983), WDEQ (1985), and USDA (1979).
I • Revised 9/99 2.04.6-26