KPC2 0 5 10 MILES 2.5 0 5 10 KILOMETERS 2.5 0 1 0.5 MILES 0 1 0.5 KILOMETERS Hydrologic features from U.S. Geological Survey digital data, 2011; State, county, and city locations from Esri, 2004; well locations from U.S. Geological Survey digital data, 2011–14; site features from Mining and Minerals Division, 2010–11 (date of delivery to U.S. Geological Survey), archived digital notes, files, and documents EXPLANATION Water-bearing unit of completion Short well name (see table 1) and water-bearing unit of completion 110ALVM (Quaternary Alluvium) 110NTGU (Naha and Tsegi alluvium deposits [undifferentiated]) 111CRMS (Covered/Reclaimed Mine Spoil) 111CRMSA (Covered/Reclaimed Mine Spoil and Ash) 211FRLD (Fruitland Formation) 211PCCF (Pictured Cliffs Sandstone) San Juan Generating Station (SJGS) San Juan coal mine lease area boundary " ) KF1 Base modified from U.S. Geological Survey digital data, 2011 111SPOL (Spoil) Central San Juan Basin SAN JUAN COUNTY LA PLATA COUNTY Santa Fe Farmington Study area San River Juan Central San Juan Basin NEW MEXICO COLORADO 108°7'30" 108°30'0" 108°22'30" 108°15'0" 37°0'0" 36°52'30" 36°45'0" SJGS GF G2 GC GA G3 KF1 G26 STA1 LPMKPC1 BDMKPC1 SJ-13-2 SJ-24-4 SJ-23-4 S a n J u a n River Farmington L a P l a t a R i v e r " ) Inset 1 Inset 2 Past.E W.Piez. E.Piez. E2 E1 W1 W2 S1 GL GE SM8 SM7 SM4 SM1 SA6 WWA3/WWA3S KPC5 KPC3 SA7 SA4 SA2/SA2D KPC4 RTW Inset 2 QAL4 POND2MW1 M3.2 QAL3 KPC1 QAL2 NEP2 GD SM6 SM5 SM3 QNT MW4 SA3/KF3 JP2 CB2 CB1 WWA2 WWA1 SM11 SM10 NEP5 NEP4 NEP1 M3.1 SA1/KF2 KF2/KF2D SM16 QAL1 NEP3 M3.3 MP1.1 Inset 1