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i ~ ~, <br /> Table 5-4 <br /> Topsoil E mbankment Percent Cover <br /> Random Plots <br /> 97-98 <br />fear 1992 1993 1994 1995 1996 1997 1998 % Chan <br />Perennial Grass 41 41 42 42 38 50 52 2%+ <br />Perennial Forbs 22 26 1 ~ 21 9 17 13 4%- <br />Shrubs 3 I 4 5 4 3 3 0% <br />N Weeds 9 4 1 1 1 1 <1 0% <br />Annual Grass <1 0 2 5 10 3 6 3%+ <br />Litter & Mulch 4 1 14 ~ 14 9 5 4%- <br />Rock 2 8 4 4 3 3 4 1 %+ <br />Bare 48 7 18 17 21 l4 17 3%+ <br />