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<br />CHIPW EY ROCK COAL <br />HYDROLOGIC IhVESTIGATIO[.S <br />Field Data <br />Station: W-3 Trailer Well <br />Month: O1 02 03 04 OS <br />ph 6.9 7.3 7.2 7.2 ** <br />Alkalinity 701 650 616 623 <br />(mg/1) <br />Conductivity 480 1025 1125 1025 <br />(uohms/cm) <br />Temperature 14 12 12 8 <br />(o C) <br />Water Depth <br />(Ft.) <br />Station W-5 Shallow Alluvial Well C-1 <br />06 07 08 09 ]0 11 12 Avera e <br />** ** *: ** ** ** ** 7.1 <br />650 <br />913 <br />11.5 <br />Month: OI 02 03 04 OS 06 07 OS 09 10 11 12 Averagr <br />ph 6.6 6.9 7.0 7.2 7.2 7.1 7.1 7.1 7.0 7.0 li 7.2 7.0 <br />Alkalinity 445 530 376 360 360 342 325 291 342 342 171 353 <br />(mg/1) <br />Conductivity 1000 1000 978 950 975 1000 800 875 1000 830 525 903 <br />(uohms/cm) <br />Temperature 12 9 8 6.5 8 8 LS 18 20 23 17 13 <br />(oC) <br />Water Depth 1.54 2 1.5 2.08 2.75 3.63 1.83 2.79 3.0 4 3.04 2.56 <br />(Ft.) <br />* - Depth unknown/pump in well <br />** - Lost to mine expansion <br />Ok - Unable to sample [his month - well head destroyed by landowner <br />