Results: 1 - 2 of 2
Oct 31, 1971
Economic Geology Report
… and in the Middle Devonian Upper Elk Point Subgroup, Keg River Formation, and Lower Elk Point Subgroup of north-central …
Nov 30, 1991
Open File Report
… in which anhydrite is present (Elk Point hydrostratigraphic unit -- … Formation waters in the Elk Point hydrostratigraphic unit …