PERMFILE100087

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Soil Loss Analysis Lone Pine Gulch Surface Facilties & Water Tank Site
• Section_Exhibit Name: Exhibit 66 SAE Lone Pine Water Tank
• Media Type: D
• Archive: Yes

• Vegetative Canopy Cover that contacts the Surface
• Type and Heighr Canopy
of Raised Canopy 2/ Cover 3/ Type 4/ Percent Ground Cover
-- X- - - - - - 0 20 - 40 60 80 95-188-
Column No.: 2 3 4 5 6 7 8 9
No appreciable canopy G .45 .20 .10
x .042 .013' .003
W .45 .24 .15 .090 .043 .011
Canopy of call (orbs 25 ~ .36 ~.17. x.09 .038 .0 L2 .003
or short brush -" W .36 .20 - .13 .082 .041 .011
(0.5 m fall ht.) SO G. .26 .13 .0.7 . .035 .012 .003
W .26 ..,16. __..11__. .075 .039 .011
75 G .17 .10 .06 .031 .011 .003
W .17 .12 .07 .067 .038 .011
Appreciable brush 25 G .40 .18 .09 .040 .013 .003
or brushes W .40 .22 .14 .085 .042 .011
(2 m fall ht.) 50 G .34 .16 .085 .038 .012 .003
W .34 .19 .13 .081 .041 .011
75 G .28 .14 .OS .036 .012 .003
W .28 .17 .12 .077 .040 .011
Trees but no appre- 25 G .42 .19 .10 .041 .013 .003
•
ciable low brush W .42 .23 .14 .087 .042 .011
(4 m fall ht.) 50 G .39 .18 .09 .040 .013 .003
W .39 .21 .14 .085 .042 .011
75 G .36 .17 .09 .039 .012 .003
W .36 .20 .13 .083 .041 .011

1 All values shown assume: (1) random distribution of mulch or vegetation, and (2)
mulch of appreciable depth whe re it exists.
2/ Average fall height of waterdrops from cano py to soil surface: m meters.
3/ Portion of total-area surface that would be 'hidden.from .view by cano py in a
vertical projection, (a bird's-eye view).
4/ G: Cover at surface is grass, grasslike pl ants, decaying comp acted duff, or
litter.
W: Cover at surface is mostly broadleaf he rbaceous plants (as weeds with little
lateral-root network near the surface, and/or undecayed re sidue. )
Table 1. "C" Factors for Permanent Pasture and Rangeland
(from USDA Agronomy No[e q 50)
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