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 15. TRENDS IN MEAN COVER FOR THE PORTION OF THE RECLAIMED AREA SEEDED iN 1988. 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 ]995 1996 1997 1998
Sample Size 14 14 ]4 14 14 14 14 14 20 20

Subtotal 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01

PERENNIAL FORBS
Achillea lanulosa 0.14 <0.01 <0.01 0.00 0.00 0.00 <0.01 0.00 0.00 <0.01
Ashagalus titer 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00
Astragalus nassicarpus 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01 0.00 0.00 0.00
Astsagalus kenbophyta 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 <0.01 0.00 0.00
Ashagalus sp. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
Astragalus spatulatus 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
Cirsium aruense 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
orynopis lambe.tii o.oo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Penstemon strictus 0.00 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 0.14 <0.01 0.05
Phlor hoodii 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <0.01
Taraxacum offScinale 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 <0.01 0.00
Subtotal 0.14 0.03 0.02 <0.01 <0.01 0.00 0.18 0.14 <0.01 0.05

ANNUAL AND BIENNIAL FORBS
Carduus nutans 0.00 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Chenopodium album 0.00 0.00 0.00 0.00 0.00 0.00 <0.01 0.00 0.00 0.00
Chenopodium atrouirens 1.57 <0.01 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Chenopodium 6erlandieri 4.43 2.57 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Descurainia pinnata <0.01
Desnnainia nchardsonii 0.00 <0.01 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00
Kochia scoparia 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Machaeranthera mnescens 0.00 0.00 0.00 0.00 0.00 <0.01 <0.01 0.00 <0.01 0.00
Salsola kali 0.57 0.71 0.43 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Sisymhrium altissimum 0.00 <0.01 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00
Solanum tnflorum 0.00 0.00 0.00 <0.01 0.00 0.00 0.00 0.00 0.00 0.00
Subtotal 6.57 3.33 0.45 0.03 0.00 0.00 0.02 0.00 <0.01 <0.01