[Tyson, Philip T.]:

$750 · Offered by William Reese Company · No longer available

REPORT OF THE SECRETARY OF WAR, COMMUNICATING INFORMATION IN RELATION TO THE GEOLOGY AND TOPOGRAPHY OF CALIFORNIA. "Probably the earliest work of true scientific research to emerge from the Gold Rush. Its author was a gifted scientist whose pioneering effort was of considerable value" - Wheat. Tyson's report was gleaned from his four-months' stay in California. His report was reprinted in 1851 as GEOLOGY AND INDUSTRIAL RESOURCES OF CALIFORNIA. The maps show the Sacramento Valley and the Sierra Nevada.

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