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Plant Species Frequency and Density Measurements During the course of cover sampling, all plant species occurring within one meter of either side of the cover sample transect were noted as present within each sample. Frequency for each plant species observed during sampling of a particular area was calculated by dividing the number of sample transects in which the species was observed by the total number of samples. As such, this value is probably more correctly known as "constancy". The total number of species (within each lifeform) observed in each 100 m2 sample provides a measure of species density, indicating the relative species richness of different areas. These measures provide a means of examining progress toward the return of diverse species composition in the reclaimed areas. Plant Species Listing Scientific names used follow Weber and Wittmann (1996), common names cited are found in Beetle (1970), Nickerson et al. (1976), or Soil Conservation Service (1979). Cross reference to the substantially revised scientific nomenclature for the flora of Western Colorado, as set forth by Weber and Wittmann (2001), may be determined by reference to Weber and Wittmann (1992) or by reference to Appendix 2 of this report (Table 17). During the course of the fieldwork, a list of all encountered plant species (quantitative plus incidental observations) was compiled for each reclamation area and the reference areas. These lists are summarized in Appendix 2, Table 17, Species Present -Reclaimed and Reference Areas, which includes current nomenclature and cross references to older nomenclature. It should be noted that all big sagebrush encountered were referred to as Seriphidium tridentatum, without attempt to distinguish between basin big sagebrush (Seriphidium tridentatum) and mountain big sagebrush (Seriphidium vaseyanum or S, tridentatum ssp. vaseyanum). Photographic Record Within each reclamation and reference area, representative color photographs were taken to document the appearance of the vegetation in 2006 (Appendix 4). Within each photograph, a placard identifies the particular area being illustrated. Statistical Methods STATISTICAL DESIGN OF SAMPLING Cover and herbaceous production data were collected in all areas. Woody plant density samples were collected in the 1999, 2002, and 2004 Reclaimed Areas and the Shrub Concentration I ~ Areas, but were not collected in any of the reference areas. Sampling proceeded using a single stage statistical design. 3