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<br /> <br /> INTRODUCTION <br /> <br /> In 1976 reclamation studies were established at three active mine <br /> ' <br /> daste <br />sites in south-central Colorado operated by CF&I Steel Corporation. <br /> material from mining activity was present at each of the operations and <br /> little natural plant succession had occurred. This study was designed to <br />J determine methods and materials for successful establishment of functional <br /> and diverse plant communities on these mine wastes. The objectives of the <br />J <br /> research include: <br /> 1. Identify the plant species that display good survival and <br /> vigor, <br />J 2. Determine fertility requirements for plants grown on deficient- <br /> mine waste materials, and <br />J <br /> 3. Determine the importance of mulching and the success of dif- <br />1 <br />J ferent mulching materials. <br /> Sampling of the study plots began in 1977, following the first <br /> season of growth. This report is a summary of the progress related to <br /> these studies, based on data collected, analyzed, and interpreted <br />1 throughout 1978. Results indicate that the waste materials will not <br />1 support adequate stands of vegetation without seeding, fertilization, and <br /> mulching. The results of this study are preliminary and changes may <br />1 result when competition for limited resources increases as the plant <br /> communities develop. <br />