1988-04-11_PERMIT FILE - C1981008A ‎(11)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/11/1988
• Doc Name: Aquifer Test Data,Data Plots,Supporting Calculations & Type Curves for Nucla & Nucla East Mining
• Section_Exhibit Name: Tab 7 Appendix 7-2
• Media Type: D
• Archive: Yes

PEABODY HYDROLOGIC TESTING AQUIFER TkST DATA
State Colorado County Montrose T. 47 S. , R. 16 E. , Sec. 25 WELL NO. GW-N9
Personnel S. Dingman & D. Jones Driller �J
Test type: 1. Single well dra down 2. Single well recovery 3. Drawdown with obs. well
4. Recovery with obs. well 5D Other (specify) Modified Slug
dotal well depth 72.5 ft. Well diameter in. Casing diameter 4 in.
Casing type PVC Type of screen or perforation Slotted PVC
Interval of screen or perforation 45.0 -72.5 Pump hp. type
Pump depth ft. Aquifer ovb & coa Aquifer lithology
Altitude of land surface 5764.00 How determined urveye
:.Above B Zow LSD 1.17 feet Altitude MP N/A
SWL 33.95 feet How measured Electric tape
� � I
DATE PUMP ON PUMPt (time OFF Sw
since pump So SW SW/
off, min.) (ft. ) I (ft. ) I
7-17-86 14:40:00
14:46:20 0.00 23.25 23.25 1.0
0.30 23.25 23.11 0.99
0.49 23.25 22.82 0.98
0.60 23.25 22.00 0.95
0.80 23.25 21.44 0.92
0.91
1.10 23.25 20.80 0.89
1.27 23.25 20.34 0.87
1.74 23.25 19.30 0.83
2.17 23.25 18.33 0.79
2-67 23.25 17.17 0.74
3.22 23.25 16.03 0.69
3.67 23.25 15.08 0.65
3.97 23.25 14.05 0.60
4.67 23.25 12.10 0.52
5.17 23.25 12.26 0.53
5.67 23.25 10.93 0.47
6.17 23.25 9.48 0.41
6.67 23.25 8.30 0.36
7.17 23.25 7.13 0.31
7.67 23.25 6.24 0.27
8.17 23.25 5.51 0.24
8.67 23.25 4.83 0.21
9.73 23.25 3.81 0.16
10.67 23.25 3.18 0. 14
11.67 23.25 2.75 0.12
12.67 23.25 2.42 0.10
7-2-16 Revised 04/11/88