The Imperial Valley and the Salton Sink

Reports of the United States Commissioners to the Paris Universal Exposition 1867

Report of a Geological Reconnaissance in California

Report Upon The Gold Placers Of A Part Of Lumpkin County, Georgia, And The Practicability Of Working Them By The Hydraulic Method, With Water From The Chestatee River

Tombstone and Its Mines

History of the Town of Hamden, Connecticut

Production of the Precious Metals

Report upon the Precious Metals