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Montana Bureau of Mines and Geology
Montana Technological University
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Butte Montana 59701-8997
Ph: (406) 496-4336 Fx: (406) 496-4343
4/26/2024
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The following data were returned from the GWIC databases for the area you requested. For a more detailed description of the data view the GWIC Metadata report. If you notice data entry errors or have questions please let us know by clicking here to send us an E-mail. If you wish to view a one page report for a particular site, click the hyperlinked Gwic Id for that well. Scroll to the right of your screen to view all the data.

Aquifer Test Well Data
Test Id 10651
Test Well No 3
GWIC Id 290587 - LARSON BILL
Location 12N 20W 35 CDB
Pumping Start 4/26/2018 10:20:00 AM
Pumping Stop 4/27/2018 10:20:00 AM
Recovery Start 4/27/2018 10:20:00 AM
Recovery Stop 4/29/2018 3:35:00 PM
Test Type CONSTANT DISCHARGE
Well Type OBSERVATION
Distance 49
Bearing 315
K (Rept)
Transmissivity (Rept)
Storativity (Rept)
Method (Rept) SOUNDER
Who Conducted JOHN WHEATON
Source of Data DNRC FORM 633
Regional Trend
Comments
Yield (Rept)
Pumping Length (minutes) 1440
Recovery Length (minutes) 3180
Aquifer Test Data
All times are in minutes
Pwl = Pumping Water Level
Rwl = Recovery Water Level
Time
Since
Start (T)
Time
Since
Stop (T')
T/T' Pumping
Water
Level
Pumping
Drawdown
Recovery
Water
Level
Residual
Drawdown
Yield Comment
0 9.79
10 9.791
40 9.795
70 9.802
100 9.798
130 9.806
160 9.809
190 9.803
220 9.809
250 9.81
280 9.809
310 9.821
340 9.821
370 9.831
400 9.819
430 9.834
460 9.841
490 9.838
520 9.837
550 9.838
580 9.843
610 9.853
640 9.845
670 9.849
700 9.855
730 9.847
760 9.841
790 9.854
820 9.841
850 9.837
880 9.835
910 9.835
940 9.837
970 9.834
1000 9.839
1030 9.834
1060 9.834
1090 9.84
1120 9.833
1150 9.831
1180 9.833
1210 9.833
1240 9.842
1270 9.843
1300 9.847
1330 9.848
1360 9.854
1390 9.836
1420 9.843
1420 0 9.84
1450 40 36.25 9.83
1480 70 21.14 9.84
1510 100 15.10 9.84
1540 130 11.85 9.83
1570 160 9.81 9.84
1600 190 8.42 9.84
1630 220 7.41 9.84
1660 250 6.64 9.85
1690 280 6.04 9.84
1720 310 5.55 9.85
1750 340 5.15 9.85
1780 370 4.81 9.86
1810 400 4.53 9.85
1840 430 4.28 9.85
1870 460 4.07 9.85
1900 490 3.88 9.85
1930 520 3.71 9.86
1960 550 3.56 9.87
1990 580 3.43 9.87
2020 610 3.31 9.87
2050 640 3.20 9.87
2080 670 3.10 9.87
2110 700 3.01 9.87
2140 730 2.93 9.87



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