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.~ ~' ~ <br />~, ~ . <br />r1 <br />L J <br />`J <br />EXHIBIT 2D <br />s <br />CTL/THOMPSON, INC. <br />CONSULTING GEOTECHNICAL AND MATERIALS ENGINEERS <br />V <br />December 29, 197; <br />Energy Fuels. <br />Box G <br />Steamboat Springs, Colorado 80477 <br />Attention: Mr. Clyde Borrel <br />Subject: Field Density Tests <br />Energy Fuels Mine No. 3 <br />Steamboat Springs, Colorado <br />,lob No. 4974 <br />Gentlemen: <br />page 1 of 2 <br />As requested, we performed field density determinations at the Energy <br />Fuels Mine southwest of Steamboat Springs, on November 3, 1978. The <br />purpose of these tests was to assist Energy Fuels engineering staff <br />in estimates of in-place overburden densities and density of overburden <br />in stockpiles at Mines No. 1, 2, and 3. Our engineer, Mr. McOmber, met <br />with Mr. Clyde Borrel of Energy Fuel~~ Corporation and performed tests <br />at locations directed by Mr. Borrel. The results of density tests <br />were given to Mr. Borrel in the field and are surtunarized on Table I <br />of this report. Test results for determinations 1 and 2 indicate ap- <br />proximately 26 perce~lt bulking of the overburden material at Mine No. <br />3B. Tests 5 and 6 indicate approximately 27 percent bulking of <br />overburden material at Mine No. 1, 7400 pit. Tests were performed <br />using a Troxler nuclear moisture density gauge. <br />If additional data is needed, or if we can clarify any of this informa- <br />tion, please call. <br />Very truly yours, <br />CTL/THOMPSON, INC. <br />By <br />Ronald McOmber, Project Engineer <br />~ ~:~,, <br />Reviewed-by:- j' -- - _ - <br />LRobert W. Thompson, P. E. ~~: ~ o'• ,;; ---- <br />.e <br />~ p~ a ~~~ <br />• RM:RWT:dm '~ ' T W ° t~ <br />.~ r`"o <br />(3 copies sent) ~FFSSrona~~~'~'~°~~ <br />'rl,~ •.....••'p~'~ <br />`~~f OF C~~e;s' <br />1701 SOUTH FEDERAL BLVD. SUITED DENVER, COLORADO 80219 • (3037 9345473 <br />