|
Meet a lone prospector who pans for gold and actually finds it
|
28
|
1869
|
May 8, 2019
|
|
Couple's afternoon at the beach yields almost 5 grams of gold
|
17
|
1780
|
August 13, 2018
|
|
An environmentally friendly lithium mine in the disastrous Salton Sea
|
22
|
1223
|
July 27, 2021
|
|
A close look at declining water reserves in the west
|
19
|
1087
|
July 26, 2021
|
|
Fracking for helium in Arizona
|
8
|
3071
|
July 14, 2013
|
