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~ III IIIIIIIIIIIII III <br />-__ <br />_ -- <br />TUTTLE APPLEGATE, INC. <br />~~ Consultants for Land and Resource Development <br />February 20, 1990 <br />Mr. Michael Boyd <br />Reclamation Specialist <br />Mine~9 Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RE: ,4dequacy Items; File No. M-89-120 <br />Dear Mike: <br />• <br />R~~~~~~~ <br />FEB 2 0190 <br />MINED lArJl~ <br />~iECLAMA710N t21irlS' <br />We have reviewed your adequacy letter dated February 7, 1990 and <br />can offer you the following responses. Our responses follow the <br />numbering system used in your letter. <br />HINING PLAN EBHIBIT D <br />1. The existing concrete batch plant does not depend on <br />materials from the Platte Valley Pit as the sole source of <br />aggregates and could even function with materials purchased from <br />other suppliers. Based on past rulings we have been given from <br />MLRD, it does not require a permit since it is not directly tied <br />to one operation. The batch plant could be in operation prior to <br />the start of any mining on the Platte Valley Pit. Because of <br />predicted long term growth in the northeast quadrant of Denver, <br />the batch plant will remain at this site after the Platte Valley <br />Pit :is exhausted. There are adequate county land use regulations <br />that govern this operation which will protect the public health <br />and :safety. <br />2. The topsoil and overburden in the area are very similar in <br />nature. The pit is located in a floodplain which over the years <br />has been inundated and received s(~9t and clays from upstream. It <br />is difficult to define a distinct loamy layer of topsoil as <br />existing. Most of this has been swept away by past floods or has <br />been mixed in with silts and clays deposited by the floods. We <br />have no quantity estimate for loamy topsoil since it only occurs <br />on the property by accident. <br />We will commit to isolating any distinct topsoil found on the <br />site and using it in reclamation. However, the majority of <br />material available for reclamation is going to be the homogeneous <br />overburden which is silts and clays. <br />a~ <br />a~ <br />11992 Grant Street Suite 410 Denver, Colorado 80233 452-6611 <br />