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2016-12-08_REVISION - M1995012
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2016-12-08_REVISION - M1995012
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Last modified
6/16/2021 5:54:16 PM
Creation date
12/8/2016 2:05:58 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1995012
IBM Index Class Name
Revision
Doc Date
12/8/2016
Doc Name
Request for Technical Revision
From
Cecil "Cork" Powell
To
DRMS
Type & Sequence
TR1
Email Name
ACY
GRM
Media Type
D
Archive
No
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OThe pit owner/operator has not had any equipment on the reclaimed area or <br />removed any product from the terraced area since 1979. It had been at <br />least 40 years since this location was disturbed. <br />K <br />The following was done: <br />• Re-contoured overburden reducing height and overall slope. <br />• Available topsoil was stripped and reused, although there were limited <br />quantities. <br />• An attempt was made to not leave exposed areas of heavy, bentonitic <br />clays on the surface. <br />• Large boulders were used to stabilize the toe of some steeper slopes. <br />• Five water bars were installed across the main slope (total of 365 ft). <br />• Eight rock bars similar to one rock dams (ORDs, see Appendix A) were <br />installed in a waterway (total of 80 ft). <br />• Biodegradable, weed free, straw filled blankets were used in strategic <br />locations (8 ft x 600 ft covered). <br />• Biodegradable straw wattles were used (9 in dia. x 150 ft). <br />• The seed mix shown in Figure 2 was broadcast at double the drill rate, <br />and a dozer "walked" the seed into the surface (Drill rate, 23 lbs/acre). <br />• Some remaining areas are steeper than a 3/1, with the long easterly <br />facing slope averaging 6.75/1 (see Photo 9-12 and Appendix E, Map <br />E5. <br />• 290 feet of steep, 40 year old, terraces (2/1 to 1/1) were contoured to <br />considerably less. <br />Forage kochia was be seeded late in November with freshly harvested seed <br />(2016 seed crop). Two varieties were in the forage kochia mix, Snowstorm <br />and Immigrant. <br />The lower portions of the south facing slope were reduced in slope. This <br />section has not been touched in over 40 years and has exhibited a high <br />degree of stability under the current conditions. The slope has slowly re - <br />vegetated over large portions and erosion has been minimal. The overall <br />height of the hill was reduced and the slope was reduced above what appears <br />to be a ledge of bedrock (Photo 9). This steep portion is approximately 0.25 <br />acres and slopes range from 0.9/1 to 1.6/1 (see Map 7 and Appendix Q. <br />Photo 10-12 shows the original contour and the final as viewed from <br />southeast boundary corner of the pit. <br />the before and after reclaiming. <br />Appendix F provides more photos of <br />231 Page <br />FOR: 1'OW1.1.1. GRAV1L 1'11. S 1�,VA IN L.YA. ltA 40 1 <br />11Y: (;RLAT BASIN i,1 I lc_S — L1 %VW.GlkI A V111SIN1 %V 11. COM <br />
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