MBMG-8863

Montana Bureau of Mines and Geology

Located in Powder River County, Montana, this groundwater monitoring location is associated with a water well in the Lower Tertiary aquifers.

Well Construction

Depth Description
-0.9-410.0 ft 6.0 in diameter steel casing
Depth Lithology Description
0.0-15.0 ft unknown SURFACE GRAVEL
15.0-120.0 ft unknown BLUE SHALE
120.0-132.0 ft unknown SANDSTONE
132.0-180.0 ft unknown BLUE SHALE
180.0-183.0 ft unknown HARD ROCK
183.0-212.0 ft unknown SANDSTONE
212.0-216.0 ft unknown HARD ROCK
216.0-280.0 ft unknown GRAY SHALE
280.0-350.0 ft unknown HARD GRAY SAND
350.0-410.0 ft unknown WATER SAND

Operated in cooperation with: