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sanitary landfill, and the explosives storage site were included in the sampling but <br />were put into separate units so at least one sample was collected from each of these <br />areas. The four reference areas include the Aspen, Sagebrush, Oak Brush, and <br />Chokecherry vegetation types. The four vegetation reference areas were sampled <br />separately for herbaceous cover and herbaceous production with weighted averages <br />computed for the £mal bond release comparisons. <br />4.0 METHODS <br />The methods used for data collection in 1996 conformed to the procedures <br />outlined in the 1995 CDMG Bond Release Guideline and the sampling plan approved <br />by the CDMG. <br />4.1 Samnle Site Location <br />All sample sites within the reclaimed study area and reference areas were <br />randomly located. Sites on the study area and reference areas were chosen with <br />numbers from a random number's table by plotting these figures on a map of the area <br />using a grid system laid out on that map. Once the sample sites were located in the <br />field, cover and shrub transects were run in random compass directions. Sample sites <br />on the reclamation were selected using a stratified random sampling scheme based on <br />the year of seeding and the acreages seeded within each year. This method is termed <br />proportional allocation. In proportional allocation, at least one sample observation is <br />randomly located within each year of seeding, with the number of observations <br />2 <br />