MBMG-147175

Montana Bureau of Mines and Geology

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

Well Construction

Depth Description
-1.5-20.0 ft 4.0 in diameter steel casing
-1.0-65.0 ft 6.0 in diameter pvc casing
20.0-350.0 ft 4.0 in diameter pvc casing
310.0-350.0 ft 4.0 in diameter .03 factory screen
Depth Lithology Description
0.0-30.0 ft unknown VARIATED SANDY SHALE AND GRAVEL
30.0-65.0 ft unknown SAND AND GRAVEL
65.0-183.0 ft unknown BLUE CLAY
183.0-186.0 ft unknown COAL
186.0-228.0 ft unknown BLUE CLAY
228.0-264.0 ft unknown SANDY SHALE
264.0-266.0 ft unknown BLUE SHALE
266.0-285.0 ft unknown GRAY SANDY SHALE
285.0-292.0 ft unknown ROCK
292.0-311.0 ft unknown BLUE CLAY
311.0-350.0 ft unknown BLUE SANDSTONE

Operated in cooperation with: