REP52112

• Permit No: C1981021
• IBM Index Class Name: Report
• Doc Date: 2/8/1999
• Doc Name: 1998 EVALUATION OF REVEGATATION SUCCESS AT THE WALDEN COAL CO MINE SITE
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

Table 14. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED IN 1984. WALDEN COAL
PROJECT' SITE. BASED ON DATA COLLECTED BETWEEN 1989 AND 1998. MEAN COVER VALUES IN PERCENT.
w
Year 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Sample Size 6 6 6 6 6 6 6 6 15 15

Subtotal 0.00 <0.01 0.33 <0.01 0.33 <0.01 <0.01 <0.01 0.07 <0.01

SHRUBS
Artemisia nova 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01
Artemisia lridentata 4.67 8.67 10.67 11.33 8.00 20.00 17.33 22.00 20.40 21.2
Chrysotfwmnus nauseosus 0.00 0.00 <0.01 0.00 <0.01 <0.01 <0.01 <0.01 <0.01 0.07
Chrysothamnus vaseyi 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01
Chrysothamnus viscidiJlorus 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 0.07
Purshia tridentata 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
Subtotal 4.67 8.67 10.68 11.33 8.01 20.00 17.34 22.02 20.40 21.33

LITTER 46.33 46.00 39.33 39.00 48.00 45.67 39.67 39.00 39.43 35.97
ROCK 0.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.00
TOTAL VEGETATION 23.67 25.00 17.33 26.33 23.00 31.00 26.67 30.00 32.60 31.07
LITTER/ROCK 46.67 46.00 39.33 39.00 48.00 45.67 39.67 39.00 39.53 35.47
BARE SOIL 29.67 29.00 43.33 34.67 29.00 23.33 33.67 31.00 27.80 32.8
TOTAL COVER 70.33 71.00 56.67 65.33 7].00 76.67 66.33 69.00 72.20 66.53