Laserfiche WebLink
To.'DRMS Den Page 2 of 7 2018-06-29 20.35.09(GMT) 13032008630 From: Ben Langenfeld <br /> June 29, 2018 <br /> Colorado Division of Reclamation, Mining, and Safety <br /> 1313 Sherman St, Room 215 <br /> Denver, CO 80203 <br /> RE: Detroit City Mine; DRMS File No. M-2017-003-Waste Rock Sample <br /> Colorado Calumet Co, Inc. has conducted a tunnel rock sampling and lab testing as it continues <br /> development at the Detroit City Mine. This sample was taken roughly 400 feet in. The results of <br /> the whole rock analysis and acid-base accounting (ABA) are attached. <br /> Please contact me if you have any further questions or concerns. <br /> Sincerely, <br /> Ben Langenfeld, P.E. <br /> Greg Lewicki and Associates <br /> Detroit City Mine 1 <br /> � 't�Rc+v�k;Am`.hnn<w;btew,,p`E.3.4 <br />