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~ ~. <br />• AlDUOUEI III III III III I'll III OINEERS• <br />999 <br />AIJUOUEROUE, NEW YEX1C0 6710}1560 <br />FAX (505) 766-$770 <br />~[r~r to <br />.rr[xnox or: June 24, 1991 <br />Construction-operations Division <br />Regulatory Branch <br />Mr. Daniel I. Hernandez <br />Mined Land Reclamation Division <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Dear Mr. Hernandez: <br />IIL~~~IV~~ <br />JUN 2 7 1991 <br />rV(ined Land <br />~ec~amation Division <br />This is in response to your notice dated June 7, 1991, <br />regarding an application for a permit to conduct gravel mining <br />operations by Lincoln County at the Ravenkamp Pit No. 1, MLRD <br />File No.M-91-060 (Corps of Engineers Action No. 1991 50244). <br />We have studied the project description, other records, and <br />documents available to us. The site is located five miles west <br />of Hugo, Lincoln County, Colorado, in 58, T115, R55W. <br />Information available to us indicates that the mining site does <br />not contain waters of the United States. However, waters of the <br />United States of which we are not aware may be located on the <br />site. <br />If the proposed work involves discharges of dredged or fill <br />material into waters of the United States, a Department of the <br />Army permit under Section 404 of the Clean Water Act may be <br />required. Waterfilled depressions created in dry land incidental <br />to construction activity or pits excavated in dry land for the <br />purpose of obtaining fill, sand, or gravel are generally not <br />nnncidere3 *_o be •,,ratcrc of +he Ur;ired S*_ates ::ntll the pit is .^.^ <br />longer used for obtaining fill. At that time, waterfilled <br />depressions may be considered a water of the United States and <br />the placement of dredged or fill material into the pit may be <br />regulated. <br />The work may be permitted by one of the following nationwide <br />permits: minor road crossings (33 CFR 330.5(a)(14)); return water <br />from an upland contained dredged material disposal area (33 CFR <br />330.5(a)(16)), or discharges of fill into certain waters (33 CFR <br />330.5(a)(26)). Temporary roads for moving mining equipment may <br />be exempted by regulation (33 CFR 323.4(a)(6)). <br />