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2014-03-07_REVISION - C1981012
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2014-03-07_REVISION - C1981012
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Last modified
8/24/2016 5:40:49 PM
Creation date
3/7/2014 12:28:12 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
Revision
Doc Date
3/7/2014
Doc Name
Proposed Changes to Revegetation Plan
From
DRMS
To
Al Trujillo - Colorado Parks and Wildlife
Type & Sequence
TR68
Email Name
SB1
LDS
Media Type
D
Archive
No
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C - .2 (grass cover at 20 percent) <br />P = .25 (contour stripping) <br />A - .33 tons /acre /year <br />The "T value" for Table Fountain Loams is 5 tons /acre /year. <br />Therefore, a 20%' vegetative cover producing .33 tons /acre /Year <br />would be an acceptable management level. <br />Active areas will be evaluated using the fallowing criteria! <br />Covey Herbaceous cover shall be greater than or <br />equal to 905 of the reference area cover (or <br />other approved cover standard) . Comparisons <br />will be made with results valid at the 90* <br />confidence level, using a one -sided test <br />with a 0.10 alpha, error probability. <br />Rroduction. , Herbaceous production shall be greater than <br />or equal to 90k of the reference area <br />production. Comparisons will be made with <br />the results valid at the 90% corxfi.d (§nce <br />level, using a one -sided test with 0.10 <br />alpha error probability. <br />Diversitv. Species diversity will be deemed adequate <br />when the reclaimed lands consist of a <br />minimum of 2 cool season grasses. 2 warm <br />season grasses and 2 fork. These species <br />shall comprise at least 5*, and no more than <br />60% relative cover and shall consist of <br />perennial non-noxious species. <br />moody _Plarxt Density!. The woody plant density standard for the <br />wildlife habitat (upland) is 1,000 <br />trees /shrubs per acre. The woody plant <br />density standard for the wildlife habitat <br />(riparian) is 1,742 trees /shrubs per acre. <br />The Division has stipulated "seeding windows" (Stipulation 23) <br />for New- Elk aperaticns. These windows are between August 15 to <br />November ].5 and April 1 to May 15. Basin believes the optimum <br />seeding time is between May 15 and dune 1 just prior to the summer <br />thunderstorms. This is based on general observation, diddle Fork <br />flaw patterns and precipitation records of the New Elk Mine_ Basin <br />requested and received approval from the Division to exeead the <br />spring seeding window to June 1, rather than May 15. <br />(Revised 11114/88) <br />(Revised 11/28/88) <br />(Revised 04/15/94) <br />(Revised 12115 {94) <br />Page 7.05 -47(c) <br />
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