HYDRO20781

• Permit No: C1981032
• IBM Index Class Name: Hydrology
• Doc Date: 5/27/1981
• From: NORTHERN COAL CO
• To: MLR
• Permit Index Doc Type: CORRESPONDENCE
• Media Type: D
• Archive: No

•.J f•
• I
Northern
Coal
Company
CURT.IS CREEI: SiTBSIDENCE NONLRiENTS
~ Fourth week of weekly monitoring. Rienau No. 2, 1st East, 1-Left is 220 feet
from Curtis Creek when monitored for elevations. -
?flNUHENT fJ
I
i
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8
10
11
12
13
l4
15
16
17
18
NO?'E S
I~,`r `,;,,7~.....cIJTAt ff
'FES s e ~s~
r
6,905.46' F~:vgT r+tA v£
6, 905.89 "~
6,906.01' ~'
6,910.52' ~
6,908.90' /
6,904.19' '~ ~/-'os7 N: avt.
6,900.12' '~
6,907.66' /
6, 908.33 "~
6,909.07 '
1) Vertical control for monuments are based on the U.S.G.S. Bench
+arks H-334 (6,927.535) and (:-384 (6,831.089).
Survey done on February 12, 1981.
Notes are recorded in Book No. 37 on pages 36 through 39.
JB/mjb
pc: File