Laserfiche WebLink
-~ =- iii iiiiuiiniiiiii <br />sss <br />- r, <br />TWIN PINES INVESTMENT LIMITED PARTNERSHIP <br />FALCON ENERGY, INC. GENERAL PARTNER <br />TWIN PINES COAL MINE q2 <br />(719) 784369 <br />P. O. BOX 767 <br />7605 COUNTY ROAD N66 <br />ROCKVALE, COLORADO 61244 <br />i ' C . ~ ~ <br />i.• <br />December Z8, 1989 <br />Mr. Larry Routen, Reclamation Specialist <br />Mined Land Reclamation Division <br />Room 215, Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />SAN ~ 193 <br />MINED LAND <br />pECIAMATiON DIVISION <br />Subject: Twin Pines Ne. 2 Mine, Permit No. C-058-83 <br />Dear Mr. Routen: <br />In accordance with <br />Revision No. 1, to <br />the Feriod 6/89 to <br />Stipulation Nos. 1 <br />subject permit the <br />12/69 is submitted <br />and 2, as revised by Technical <br />"Water Monitoring Report" for <br />herewith. ~y~1 <br />During the period mining was focused on development of the main en- (d`~ <br />tries and development of the 4th. East section. Mine Plans have been ~~..,,""~~44 <br />revised to provide a 5 entry system of mains with sections developed ~14Q <br />with 5 entries. 1Qo significant water inflows have been encountered <br />during the development, although conditions are generally damp with Q~,.~ <br />water accumulating in low ares of the mine floor. Pumping rates from JJ~~^^~~ <br />the mine have not significantly increased during the period. Suffic- ~a ~', <br />Tent evidence to conclude that the mine has crossed the Chandler Syn- <br />cline is still not evident. The extent of mining to date is shown on ~~ <br />the enclosed "Mine Map". <br />Discharge from the mine is being monitored in accordance with the ~~,AV~I <br />requirements of Stipulation Nos. 1 an 2 and the NPEDS permit. Copies <br />rf discharge logs, sample logs, IQPEDS reports, and Mine Maps are en- <br />closed. <br />Water level measurements and associated data for the water monitoring <br />wells for the reporting period are as follows: <br /> TPW-1 CALDIROLA NO. 2 <br />DATE: <br />------------- 5/4/89 <br />------- 8/15/89 <br />--------- 11/19/89 <br />---------- 5/4/89 <br />-------- 8/15/89 <br />-------- 11/19/89 <br />--------- <br />------------- <br />CONDUCTIVITY ------- <br />750 --------- <br />760 ---------- <br />850 -------- <br />660 -------- <br />660 --------- <br />720 <br />PH 8.2 8.5 fl.7 7.5 7.5 8.0 <br />LEVEL 146.6 148.0 144.5 83.5 84.0 89.0 <br />TEMPERATURE 53 F 53 F 53 I' 53 F 52 F 52 F <br />