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MA i <br />MENT D <br />EARTH ENGINEERING <br />CONSULTANTS, INC. <br />October 13, 1999 <br />Tuttle Applegate, Inc. <br />11990 Grant Street, Suite 301 <br />Denver, Colorado 80233-1136 <br />Attn: Mr. Michael Applegate <br />Re: , Subsurface Exploration/Monitor Well Installation <br />Kyger Property <br />Weld County, Colorado <br />EEC Project No. 1992122 <br />Mr. Applegate: <br />l - - - Earth Engineering Consultants, Inc. (EEC) personnel have completed the installation of <br />the monitor wells you requested for the above-referenced project. On October 4, 1999, <br />EEC personnel installed four (4) wells at the requested locations, one at each corner of <br />the property. Each of the wells was installed to a depth that penetrated the bedrock, which <br />varied at each of the well locations. The materials encountered in the test borings are <br />described below and on the attached boring logs. A diagram showing the approximate <br />boring locations is attached. <br />The borings were advanced using a CME 55 drill rig equipped with a continuous flight, <br />hollow-stem auger. The boring logs were prepared based on visual and tactual <br />observations of the auger cuttings. The materials encountered in the borings can be <br />summarized as follows. <br />In general, the subsurface materials encountered in the boring consisted of 3 to 6.5 fegt of <br />dark brown sandy lean clay, which was underlain by coarse sand and gravel with cobbles. <br />The frequency of cobbles varied with depth. The granular materials extended to depths <br />of 13 to 18 feet below present site grades. The overburden soils were underlain by dark <br />grey to blue shale bedrock, which extended to the bottom of the borings to depths of <br />CENTRE FOR ADVANCED TECHNOLOGY <br />2341 RESEARCH BOULEVARD, SUITE 1 04 <br />FORT COLLINS, COLORADO 80526 <br />(970) 224-1522 (FAx) 224-4564 <br />