Matches in Library of Congress for { ?s ?p Geothermal exploration in the first quarter century; a collection of papers illustrating early interest in geothermal development, including reports for the Southern Sierra Power Company by H. N. Siegfried in 1925. Arr. and edited by David N. Anderson and Beverly A. Hall.. }
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- 74166342%2F%2Fr882 title "Geothermal exploration in the first quarter century; a collection of papers illustrating early interest in geothermal development, including reports for the Southern Sierra Power Company by H. N. Siegfried in 1925. Arr. and edited by David N. Anderson and Beverly A. Hall.".