Results: 1 - 4 of 4
Jan 23, 2020
Data
… quartzite, other stones, clay, shale, salt, potash, gypsum, sodium …
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Jul 31, 1992
Open File Report
… related trends. The halite and shale Prairie-Watt Mountain … above, respectively. The shale Clearwater aquitard, …
Mar 31, 2005
Geo-Note
… sediments and the underlying shale bedrock during incision and …