REP28764 - Laserfiche WebLink

Home Browse Search

• Introduction Bowie Resources Limited acquired the Orchazd Valley Mine from the Cyprus Orchard Valley Coal Corporation in December 1994. The underground coal mine (renamed the Bowie No. I Mine) is approximately two miles north of Paonia, Colorado. The Bowie No. 1 East Mine has not operated since it was sealed in June 1986, following a mine fire. The areal extent of the East Mine workings was 1,156 acres at that time. During July 1993, rehabilitation efforts at the portal area of the East mine were completed and the mine workings of the East and West mines were connected. Only the first fifteen crosscuts of the East mine were reopened with the rest of the mine remaining sealed and inactive. The existing coal processing support facilities at the East mine were reactivated during 1993. The West mine was opened in January 1987. The areal extent of the West mine at the end of 2000 remains unchanged and is approximately 764 acres. The combined acreage of the East and West mines is approximately 1,920 acres. The coal awned from both the East and West mine is in the "D" seam of the Mesaverde Coal Member. Hydrologic monitoring began at the mine in 1983. This report presents monitoring results from the 2001 monitoring season. The Bowie No. 1 Mine has now been idled for 4 complete monitoring seasons. Several monitoring points are no longer available for monitoring due to a mechanical collapse of drill holes. Bowie No. 1 received permission through a revision to the permit document (TR-34) to eliminate these holes from the monitoring schedule. The following 2001 Annual Hydrology Report narrative is divided into ten parts. Discussion is presented by each monitoring category identified in Table 1 -Summary of Hydrologic Monitoring Stations -Required Monitoring for Annual Hydrology Report. Table 1 (immediately Y'ollowing this narrative) defines the monitoring points by type and sample frequency, field parameter sampling schedule and laboratory parameter sampling schedule. Several monitoring points have been removed from the surveillance schedule and are noted on this table as such. This table also shows small area exemptions and NPDES monitoring points. Table 2 contains a listing of the laboratory pazameters for surface and ground water to be tested in accordance with the mining permit application. Laboratory analysis is performed by ACZ Laboratories, Inc., 2773 Downhill Drive, Steamboat Springs, CO 80487. Table 3 contains a listing of the field pazameters and their application io the Springs, Streams, Ponds and Wells within the permit boundary. Flow readings for springs and small streams are reported in gallons per minute. Stream and River flows are reported in cubic feet per second. Table 4 contains a listing of all actively monitored points, with descriptions of their locations and a reference to the Monitoring Point Table that contains this year's monitoring data. Charts (including historic data) are found in a separate section of this document, immediately following the monitoring point tables. Table 5 contains local precipitation data for 2001. Table 6 contains a listing of discharges from all monitoring points that exhibited flows during the 2000 monitoring season, presented by quarter. Table 7 contains a listing of all monitoring points that have been undermined by the Bowie No. 1 Mine, the date of ruining, and the panel or section that undermined them. Table 8 contains a listing of all monitoring points that are potenfially impacted by the angle of draw of the underground workings of the Bowie No. 1 Mine. Since the mine is currently idle, no prediction of potential monitoring point impacts is presented. Table 9 contains a listing of Monitoring Point Tables included with this report. Table 10 contains a fisting of Monitoring Point charts included with this report