Results: 1 - 3 of 3
Feb 07, 2018
Report
… deposits subcrop beneath Devonian strata (sub-Devonian unconformity surface). … the rest of the overlying Devonian strata are more laterally …
Jul 31, 1991
Open File Report
… Lower Elk Point Subgroup (Lower Devonian) overlying the impervious … aquifer systems. All the Devonian strata have been eroded …
Feb 07, 2018
Data
… unit and Earlie Formation, 2) Devonian Elk Point Group: La Loche …