PERMFILE67963

• Permit No: M1979206
• IBM Index Class Name: Permit File
• Doc Date: 1/8/1980
• Doc Name: US SOIL CONDITIONING MAVERICK PLACER OUR FN 79-206
• From: MLR
• To: ROBERT G BIGLOW
• Media Type: D
• Archive: No

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_~ S'!'IIYa ~YtIS~YC>Cj gyps~e $,' ~ck~,t ar'e~ts and pYOCessing plant should be
~' ~".. weirtlunec} as parC of ~e mining plan .end included in the acreage
+~~ calcy38tions fur,;~HEfp;~~`ted area.
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'~' Z) 'fhe teglawation plan giust inelude the acreage for the crusher, gypsite
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stoel4pile areas, and (trocessiug p>snt.

~.. ~`;;": R) What gill be the finch he~l(jE of the highwall in Zone 2? How will
~°`'~`3' ` these' bench faces (including' the northernmost, highest bench face
~.;-*: 'af approximately 70 feet in height) be stabilized) For example, is
e:. ~ revege;tation planned for all of them?
' 3) I5 topsoil from Che new areas to be opened adequate for all planned
• [opsoiling efforts on areas Cu be revegetated with t}~e planned topsoil
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, depth of 6 to 12 inches? If it is not adeyuate, is there some provision
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foe use of a specific type of spoil instead?
4) There is sane confusion between the plant species to be used in
vegetation described 'in Che text and the seed application list. Under
' ~ what conditions would smooth brome be added to the mix, anJ when would
'-s~;a'~ one of the other wheat grass species be substituted Eor western wheat
grass (western being a better choice)?
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5)
Will the same seed mix be used on slopes greater than and less than
'`'" 3:1? (Sometimes a slightly mote drylanJ seed mix is planneJ fur
~'' the steeper slopes. With the seed mix described, this may not be
;.-•;~'' necessary.)
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6) How long a period of C1me and what criteria will be used to determine
that volunteer reproduction of pinion and juniper has not uccu n'eJ
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/ sufficiently and that p1anGYng of potted seedlings is necussary'!

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f"'` Perhaps a given density of seedlings per sere (greater U mu 15/acre
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due to probable mortality) could be used as a gulJeline.
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- 7) The slopes of the old waste dump to the south of the pit (now used
for parking, tool storage, fuel tanks and perhaps some Jumping) slwulJ
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r be cut back to an angle that will prevent slope failure and permit
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revegetation. The present face angle is too steep for safety and
'~_~.;'i~. stability.
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'' 1) 'fhe details of reclamation in Zone 1 are somewhat vague. Some idea
of the planneJ drainage of runoff (presumably into Maverick Culch)
~. would be valu;,ble oa this map.
2) Soo~e reclamation of the old waste dump to the south uE the pit should
be shuwo. The slopes should be cut back. '
iSsh ibit C:
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l) What are the water uses connected with [he mine operation? Where
,Does the water for those uses originate? Will this cons cope ive use