While at Stanford he directed the Agassiz-Branner expedition to Brazil in 1899 and a second similar expedition in 1907-1908 . He served on government commissions studying the Panama Canal and the 1906 San Francisco earthquake . He published a grammar of the Portuguese language , based on his work in Brazil , which went to multiple editions
1906 San Francisco earthquake
1906 San Francisco earthquake
John Casper Branner