MBMG-43880

Montana Bureau of Mines and Geology

Located in Hill County, Montana, this groundwater monitoring location is associated with a water well in the Upper Cretaceous aquifers.

Well Construction

Depth Description
0.0-126.8 ft 6.0 in diameter steel casing
100.0-208.0 ft 4.0 in diameter plastic casing
130.0-207.0 ft 4.0 in diameter slots screen
Depth Lithology Description
0.0-18.0 ft unknown BROWN SANDY SILT
18.0-22.0 ft unknown WATER STRATA - BROWN SAND AND FINE GRAVEL
22.0-25.0 ft unknown FEW BOULDERS AND COBBLES
25.0-60.3 ft unknown BROWN SANDY TO CLAYEY SILT
60.3-121.8 ft unknown BLUE CLAYEY SHALE
121.8-126.8 ft unknown WATER STRATA - FINE TO MEDIUM BROWN SAND
126.8-192.0 ft unknown BLUISH GRAY SHALE
192.0-208.0 ft unknown GRAY SANDSTONE WITH WATER

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