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III IIIIIIIIIIIII III ~ <br />6EOL06ICI1. S®YICES - PHrYI?DIIYE (970) se5~ 8394 <br />AxIVISL CAIN 6fptACbT ~ w~ 9 r+x ® ~ <br />TIl ~IQLI IOID, f01~ UOIDIIDO 86921 massage ®~ <br />April 16, 2001 ®EI~1/,~~ OFFICE <br />pa PvGLIC FILE COPS. <br />De rtrnent of Natural Resources <br />Division of Minerals & Geology F~L~• - 2l/p _~ <br />70] Camino del Rio, Room 125 R~- `S~r~~: (,vU <br />Durango, Colorado 81301 ~'J~/!n ,q <br />Attention: Bob Oswald, ESP APR ~ ~ 10 Received <br />Division ~/. <br />JJ:~ ~ <br />Subject: Weimer One Gravel M 2001-002 ""`~a~s~~,J APB' J 6 <br />112c Application Adequacy Review -""'ar <br />Durango Feld Office <br />Mr. Oswald: D"''S1On of Minerals 8 Geology <br />The following responses to your 9 March Ol Adequacy Review are numbered the same as your <br />inquiry number, as requested. <br />If additional time is necessary to review and work out thes0 issues please consider this <br />authorization to delay the decision date for this application until 12 May, 2001. Due to the <br />necessity of immediate operations at the site, however, we would appreciate anything you can do <br />to keep the approval on schedule. <br />Exhibit A -Legal Descriesion <br />1. The Exhibit A, Legal Description "typo" errors have been corrected in the enclosed <br />Corrected Exhrbrt A. <br />2. The enclosed Exhibit C Maps have been corrected to include name of applicant, preparation <br />date, and signature of preparer. <br />3. With the limited exploration test holes provided it is difficult to know exactly where the <br />limit of gravel resources at the west edge of the tertiary excav8tion area lies. The Exhibit C <br />Pre-Mining & Mining Map makes an assumption based upon levation and a presumption of <br />continuity. The area between that indicated limit and the o erburden disposal bench may <br />sustain some resource extraction, if available, but in any casg is assumed to be an area of <br />major disturbance from operation's soil removal & disposal. The point is that the area is <br />included in the major disturbance area bonded for reclamation'operations. <br />4. Barx soils have been indicated on Exhibit C Mining Map where they are thought to occur as <br />a thin veneer, if they occur all, along the south boundary of ,the permit area. Although a <br />generalized soils map from SCS soils survey report has been ,added into Exhibit I, detailed <br />field observations and SCS's qualifying statements show that there is room for detailed on- <br />site interpretation. Barx alluvial soils logically occur on the flat bench-top stratigraphically <br />above, and apparently deposited upon, the Clapper. Clapper §oils also lie on the bench top <br />and spill down-slope on the north bench face as talus. Appareptly the Soils Map shows the <br />Barx overlying the Clapper slightly at the south boundary, although this is not appazent from <br />on-site observation. Perhaps erosion has thinned the Barx significantly. <br />