PERMFILE108851

• Permit No: M1990057
• IBM Index Class Name: Permit File
• Doc Name: SUMMARY LOGS OF PIEZMETER HOLES
• Section_Exhibit Name: PERMEABILITY STUDY
• Media Type: M
• Archive: No

W
W
W
1
0
W
J
W
P -1 P-4
EL.- 9719 EL.- 9718
9720
9715
9710
9705
9700
m
'®''
wK AVG.- 30 FT /YR
! (2 HOUR TEST ONLY
15 /1 v
K AVG. - 230 FT /YR
P -2
EL.- 9713
19/12 K AVG.- 5000 FT /YR
I(PERMEABLE GRAVEL LENS) 5017
AVG.= 210 FT /YR
p
50/12
`•' 1 42/12
28/12
50/9
P -3
EL.- 9716
s
e
�o:
0. = 50/3
r
r� AVG.- 7 FT /YR
r I
28/12
/`
i'.
;o
50/9
K AVG. - 2 FT /YR
LEGEND:
SCLAY, STIFF, SANDY, GRAVELLY, MOIST, RED -BROWN (CL)
GRAVEL, DENSE, VERY CLAYEY, VERY SANDY, MOIST,
RED -BROWN (GC)
SAND, DENSE, VERY CLAYEY. GRAVELLY, MOIST,
. RED -BROWN (SC)
DRIVE SAMPLE. THE SYMBOL 15/12 INDICATES THAT 15 BLOWS
jL OF A 140 POUND FWMMER FALLING 30 INCHES WERE REQUIRED
�1 TO DRIVE A 2.5 INCH O.D. SAMPLER 12 INCHES.
K AVG. INDICATES AVERAGE PERMEABILITY MEASURED
NOTES:
1. PIEZOMETER HOLES WERE DRILLED MARCH 15 AND 16, 1990 WITH
A 6-INCH DIAMETER CONTINUOUS FLIGHT AUGER.
2. PIEZOMETER HOLE ELEVATIONS ARE.APPROXIMATE AND WERE TAKEN
FROM MAP FURNISHED BY LEADVILLE MINING AND MILLING CORP.
3. PIEZOMETER HOLES WERE CASED WITH 4 -INCH INSIDE DIAMETER
PLASTIC WELL SCREEN AND THE ANULAR SPACE GRAVEL PACKED TO
PREVENT CAVING DURING THE TEST. ALL TESTS RUN OVERNIGHT
EXCEPT P -4.
4. THESE LOGS ARE SUBJECT TO THE EXPLANATIONS, LIMITATIONS
AND CONCLUSIONS AS CONTAINED IN THIS REPORT.
SUMMARY LOGS OF NEZOMETER HOLES
Permit Number 1 1 1 "` I C, -
Permit 1
Section bit _E'f ._1YL�� —l_I�_
Revision
�_TYpe/09 :___ --------------------------------------------
Class: O Report O Hydro OGenemi
Doc Type: _ _------------ ___.
�OApplicaeon (Coal only) 0 Bond O Enforcement 13 Inspection
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