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EXHIBIT B Mining Plan The current operator of this clay mine began his operation in 1971. The area mined since 1976 is indicated on the mining plan map. Production quantities for the years 1973-1976 were used to determine area projection required for the mining plan. They are as follows: 1973 - 6298 Tons 1974 - 3800 Tons 1975 - 1585 Tons 1976 - 2067 Tons The operator has indicated a projected recovery rate of approximately q y b 3440 tons per year. The average overburden is 84% comprised primarily of 1 foot of topsoil underlain by an average of 14.5 feet of sandstone and 34 feet of soft clay. Maximum pit depths are on the order of 35 feet. At the above recovery rate it is projected that one to one and one-half surface acres per year wiil be disturbed. _ .'''~t?ot3req~,i;hz.~~StilY~"ance~of~radd?<:~t~nal r~ .~act~,edgeas..,tho5e~~',re?:'s~oh~p;~oducts~o~jcj ay~jnng,~ No mining of these ma- terials per se has taken place and none have been marketed to date. ` 7 :~~~I~?~hr.wii;ll:~~b,~s,~a~,~, y~~~~`pypy'~' A`~emQ/~~{Va~~PP~'yyJJy~ Qi~Y~"s':~anJl~ 'the: stock- ~ .v ~ ,`e~CKiY~i-.y /brfM'i...iY-~'~tl.4.. 4.l1+wr~Y~i..:. 1'. ti '~ ;gip;?; ti~~ bil:. Occasional blastin ma be required to break up a '. ~~,. 9 Y sandstone cap before it can be removed and stockpiled for later use as fill. ~•T'~t~s~anticpated~;~hat;thev~stock out area. for topsoil.can be: established iq; pre~vaopsly,-mine~sare~s;~ The clay will be excavated to an approximate maximum depth of 35 feet by front end loader which places the material in dump trucks for delivery to a processing site in Flcrence operated by Colorado kefractories Corp. No water usage is anticipated at the mine site and little surface or ground water is retained except for short periods after heavy rains.