Geographical memoir upon Upper California : addressed to the Senate of the United States in 1848 / by John Charles Fremont. To which are now added, extracts from Hakluyt's collection of voyages, La Peyrouse's voyage, Venega's history of California, Harris's collection of voyages, Von Langdorff's travels, Alcedo's geographical and historical dictionary, Hastings's guide to Oregon and California, the presidents's message to Congress, December 5, 1848, Col. Mason's report to the Secretary at War, letter of the Rev. Walter Colton, August 29, 1848... / [edited] by William McCarty