Results: 1 - 4 of 4
May 07, 2014
Data
… the transition between the Belly River Group and the Lea Park Formation in …
Apr 01, 2014
Map
… rocks of the Bearpaw Formation, Belly River Group, and the Lea Park Formation. …
Apr 01, 2014
Map
… rocks of the Bearpaw Formation, Belly River Group, and the Lea Park Formation. …
Dec 31, 1976
Economic Geology Report
… and Middle Devonian Elk Point Group. The most extensive regions … Viking, Bow Island, and basal Belly River formations, with iodide …