Results: 1 - 5 of 5
Nov 30, 2002
Geo-Note
… organic acids, radionuclides, silica, CI, Br and I; 4) quality …
Feb 28, 1993
Open File Report
… plugging by precipitation of silica, dolomite and calcite. …
Jan 23, 2020
Data
… coal, peat, humalite, and sand and gravel, as well as … rare earth elements, salt, sand/gravel, silica sand, silver, stone, …
Jan 23, 2020
Map
… rare earth elements, salt, sand/gravel, shale, silica sand, stone, sulphur, titanium, …
Dec 31, 1982
Open File Report
… Phosphate Rock, Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica Sand, Silver, Sodium Sulphate, …