Potash (Potassium) (commodity) from Canada
Canada | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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Grice, Joel D. (1989) Esterhazy, Saskatchewan: A Mineral Source to Save the World. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 52-57. From the USGS MRDS database |