Geothermal’s Low-Grade Revolution by Carl Hoiland The still-burning Dixie Fire swept through an area of California I’ve cherished since childhood—the north fork of the Feather River, where my grandfather held a few patented mineral claims and taught me how to pan for placer gold in the summers. I was named after him and somewhat circuitously I ended up following his same profession, becoming a geologist and a prospector. In the early 1990s, on his ranch just outside of the recently lost town of
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