Relations between local magnetic disturbances and the genesis of petroleumGeorge F. Becker · First published 1909Open the Tome
Memorandum on the mineral resources of the Philippine islandsGeorge F. Becker · First published 1898Open the Tome
Reconnaissance of the gold fields of southern AlaskaGeorge F. Becker · First published 1898Open the Tome
Reconnaissance of the gold fields of the southern AppalachiansGeorge F. Becker · First published 1895Open the Tome
Geology of the quicksilver deposits of the Pacific slopeGeorge F. Becker · First published 1888Open the Tome
Notes on the relative production and relative value of the precious metalsGeorge F. Becker · First published 1887Open the Tome
Atlas to accompany the monograph on the geology of the Comstock Lode and the Washoe districtGeorge F. Becker · First published 1882Open the Tome
Geology of the Comstock lode and the Washoe district, with atlasGeorge F. Becker · First published 1882Open the Tome
