John Trask

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John Trask

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Report on the Geology of the Coast Mountains and part of the Sierra Nevada: embracing their industrial resources in agriculture and mining.

Report on the Geology of the Coast Mountains and part of the Sierra Nevada: embracing their industrial resources in agriculture and mining.
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Report on the Geology of Northern and Southern California, embracing the mineral and agricultural resources of those sections: with statistics of the northern, southern and middle mines.

Report on the Geology of Northern and Southern California, embracing the mineral and agricultural resources of those sections: with statistics of the northern, southern and middle mines.
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