PERMFILE56352

• Permit No: C1981013
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 20 REVEGETATION PROCEDURE STUDY
• Media Type: D
• Archive: No

Table 13. Sumnaryf of the soil data initially collected in 1976 and resampled in 1980 on the Allen Mine Main
Plot and Reference Areas.
Range of Soil Test Results
Soil Characteristics 1980
1976
Gypsum No Gypsum

Reference
Areas

Comments§
pH 8.3-8.8 7.3-8.1 7.0-8.1 6.3-7.3 High, but dropping
Conductivity (salts) 0.8-6.7 0.7-1.8 0.8-2.0 0.7-1.0 No salt problems
Lime (estimate) low-med .low-.high low-high.._ _.. low. . Most lo.w,.few high _
Organic matter (%) 1.0-2.8 2.5-5.0 1.6-5.8 2.7-6.5 On the average it's rising
N03-N (ppm) 1-38 8-61 7-75 12-85 All treatments appear adequate
P (ppm) 2 1-74 1-8 2-5 Treatment 1 always appears low. No
distinct pattern in other treatments
with all showing a low value at least
once
K (ppm) 215-320 219-348 205-359 154-547 All treatments appear adequate
Zn (ppm) 6.3-22.5 4.0-7.2 3.5-7.4 1.7-4.5 All treatments appear adequate
Fe (ppm) 12.8-20.4 9.0-24.4 6.9-17.0 17.8-71.9 All treatments appear adequate
Mn (ppm) no data 0.5-1.5 0.4-1.0 2.6-5.6 All treatments appear adequate
Cu (ppm) no data 3.5-6.4 3.5-7.4 2.6-6.8 All treatments appear adequate
Total N (%) no data 0.128-0.337 0.127-0.368 0.125-0.323 All treatments similar to Reference Areas
Texture gravelly gravelly no data clay loam Gravel comprises approximately 50% of
clay loam clay loam spoils, remaining 50%:
S 23%-45%, Si 18%-36%, C 32%-45%
tAll data in Appendix, pages 70-72.
§See Monarch's soil summa ry footnotes.

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