[Rockhounds] The sand shortage

[Paul]

A sand shortage? The world is running out of a crucial —
but under-appreciated — commodity by Sam Meredith
CNBC News, March 5, 2021.
https://www.cnbc.com/2021/03/05/sand-shortage-the-world-is-running-out-of-a-crucial-commodity.html

Yours,

Paul H.