REFINE
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1-7 of 7
Author
Becker, George F.
Full Title
Geological Map of the New Almaden Mining District. U.S. Geological Survey. Monograph XIII, Atlas Sheet VII. Topography by S.W. Bodfish and others. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.005
Note
Shows in color six classes of rock. Relief shown by 20-foot contour lines. Shows streams, settlements, mines, and roads.
Author
Becker, George F.
Full Title
Ore-Bodies and Topography of Mine-Hill, New Almaden. U.S. Geological Survey. Monograph XIII, Atlas Sheet VIII. Compiled by F. Reade 1885. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.006
Note
Shows in topography with 10-foot contours, ore bodies with cross-hatching, mine dumps with hachures, +streams, roads, tramways, tunnels and shafts.
Author
Becker, George F.
Full Title
Plan of the New Almaden Mine. U.S. Geological Survey. Monograph XIII, Atlas Sheet IX. Compiled by F. Reade 1885. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.007
Note
Shows depths, tunnels, drifts, galleries, and shafts in brilliant color.
Author
Becker, George F.
Full Title
Longitudinal Section of the South Ore Channel. New Almaden Mine. U.S. Geological Survey. Monograph XIII, Atlas Sheet X. Compiled by F. Reade 1885. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.008
Note
Shows depths, tunnels, drifts, galleries, and shafts.
Author
Becker, George F.
Full Title
North and South Section , 550 Feet West of Randol Shaft, New Almaden Mine. North and South Section through the Randol Shaft, New Almaden Mine. U.S. Geological Survey. Monograph XIII, Atlas Sheet XI. Compiled by F. Reade 1885. Geo. F. Becker, Geologist in charge.
List No
4580.009
Note
Two vertical sections on one sheet. Shows depths, tunnels, drifts, galleries, and shafts.
Author
Becker, George F.
Full Title
East and West Vertical Section, New Almaden Mine. U.S. Geological Survey. Monograph XIII, Atlas Sheet XII. Compiled by F. Reade 1885. Geo. F. Becker, Geologist in charge.
List No
4580.010
Note
Shows depths, tunnels, drifts, galleries, and shafts.
Author
Becker, George F.
Full Title
Plan of the Clay Walls, New Almaden Mine. U.S. Geological Survey. Monograph XIII, Atlas Sheet XIII. Compiled by F. Reade 1885. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.011
Note
Shows alignments of clay walls.
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