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constructed and Stevens Type F continuous recorders were installed. During each visit to these two stations, the records were visually inspected and maintained. This included: 1. Checking to see that the clock mechanism was functioning properly and marking the recorder charts with data points; 2. Comparing the staff gage reading and recorder stage height to verify proper functioning of the stage recorder; 3. Removing the chart from the recorder indicating the station, date, time, stage height, and initials of the person servicing the recorder; and 4. Back-flushing the inlet pipe to prevent sediment build-up and clogging. 2.2 Results Results of all surface water chemistry analyses and flow measurements are presented in Tables 2-1 through 2-11. Surface water sampling during the quarter related to a late winter-early spring period of the year. Snow melt and runoff occurred in the immediate area, however, spring snow melt from the higher mountains had not yet begun. On the Purgatoire River, diurnal flow fluctuations were apparent during the samplings caused by the freeze/thaw cycle of the day. Water quality parameters collected on the Purgatoire over the three stations found pH ranging from 7.3 to 7.9 (S.U.), conductivity ranging from 286 to 415 (umhos), temperature ranging from 1.0 to 15.6 (oC), and dissolved oxygen ranging from 1.4 to 4.0 (ppm) (Tables 2-1 through 2-3). These measurements are within normal stream conditions and indicate a stable base stream flow. Samples collected at the two mine discharge points indicate an elevated Level of pH and conductivity (Tables 2-4 and 2-5). Discharge of mine water from the Golden Eagle Mine is into Ciruela Canyon. With the coarse nature of Ciruela and Purgatoire alluvial materials, this discharge is absorbed into the alluvium before the confluence with the Purgatoire River. As a result, the discharge does not have a direct effect on surface water quality but may have potential effects on alluvial ground water (to be disccussed in Section 3.0). The New EIk Mine water discharge is directly into the Purgatoire River, however, dilution with the Purgatoire indicates negligible effects at the two downstream stations.