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Shrub density data was not collected on the reference areas. Sampling consisted of <br />counting all individual stems protruding from the ground within randomly located belt <br />transects two meters wide by 50 meters long. <br />4.5 Statistical Analyses <br />Formulas used in determining sample adequacy and for comparing the pre- <br />mine to post-mine data followed those outlined in the 1995 CDMG Bond Release <br />Guideline. Formulas employed for determination of acceptable shrub densities were <br />used as approved by the CDMG and aze further discussed in Section 6.2. <br />4.6 Plant Species List <br />Scientific plant names used in this study correspond to those most commonly <br />used and which are familiar to most people. Species which could not be identified in <br />the field were taken to the Rocky Mountain Herbarium in Laramie, Wyoming, and <br />verified. The species lists included in Appendrz A represents plants recorded along <br />the sample transects and other plants observed on reclaimed aeeas during the course of <br />field work. <br />4.7 C~necies Diversity <br />Species diversity was derived from the cover data collected on the reclaimed <br />and reference study areas in 1996 and the pre-mine affected azea data collected in <br />(980. This was accomplished by tabulating the numbers of individuals by life-form <br />4 <br />