Uranium Ore Conglomerate
Ted Kinsman
Gold From The Forest Hill District
Joel E. Arem
Coal Gondolas
Inga Spence
Topaz From The Thomas Range, Utah
Joel E. Arem
Tourmaline Elbaite From Brazil
Joel E. Arem
Radiation From Uranium Ore Conglomerate #2
Ted Kinsman
Radiation From Uranium Ore Conglomerate
Ted Kinsman
Radiation From Uranium Ore Conglomerate #3
Ted Kinsman
1500s Arrastra Ore Crusher
Millard H. Sharp
Radiation From Uranium Ore Conglomerate #1
Ted Kinsman
1900 Copper Ore Crushing Steam Stamp
Millard H. Sharp
Open-pit Iron Ore
Phillip Hayson
100 Oz. Silver Bars And Silver Ore
Theodore Clutter
Magnetic Sand
Ted Kinsman
Historic Gold
Millard H. Sharp
Mineral Bornite
A.b. Joyce
Native Copper #2
A.b. Joyce
Gypsum From Cherokee Flats, Oklahoma #1
Joel E. Arem
Wulfenite
Hermann Eisenbeiss
Fluorite From Weardale, England
Joel E. Arem
Galenite
Hermann Eisenbeiss
Bentonite Specimen
Inga Spence
Three Kinds Of Hematite
Andrew J. Martinez
1920s Osgood Mine Steam Shovel
Millard H. Sharp
Colorado Mountainside Mine Tunnel
Millard H. Sharp
Barite Crystals
Meckes/ottawa
Hematite
Photo Researchers
Magnetic Sand #1
Ted Kinsman
Magnetic Sand #2
Ted Kinsman
Galena Crystals
Hermann Eisenbeiss
Pyrite Crystals
Hermann Eisenbeiss
Sphalerite
Hermann Eisenbeiss
Native Copper
Hermann Eisenbeiss
Santa Rita Copper Mine
Inga Spence
Siderite
Andrew J. Martinez
Chalcopyrite
Andrew J. Martinez
Molybdenite From Chelan, Washington
Joel E. Arem
Magnetite Or Lodestone
Phil DEGGINGER
Barite Crystal Fibers
Meckes/ottawa
Barite Crystal Fibers #1
Meckes/ottawa
Barite Crystal Fibers #3
Meckes/ottawa
Barite Crystal Fibers #5
Meckes/ottawa
Barite Crystal Fibers #6
Meckes/ottawa
Santa Rita Copper Mine #2
Inga Spence
Barite Crystal Fibers #2
Meckes/ottawa
Cerussite
Gary Retherford
Barite Crystal Fibers #4
Meckes/ottawa
Eagle Mountain Mine, Mid-century
Photo Researchers
William Hyde Wollaston, English Chemist
Science Source
Copper #1
Photo Researchers
William Hyde Wollaston, English Chemist #2
Science Source
William Hyde Wollaston, English Chemist #4
Science Source
William Hyde Wollaston, English Chemist #5
Science Source
Sphalerite
Raul Gonzalez Perez
Hemimorphite
Hermann Eisenbeiss
Vanadinite From Mibladen Morocco
Joel Arem
Hand Displaying Silica Granules
Inga Spence
Abandoned Copper Mine #1
Inga Spence
Chrysocolla
Mark A. Schneider
Open-pit Copper Mine, C.1960s
W. Graham/ClassicStock
Metallic Veins
Science Source
1838 Cornish Steam Engine
Millard H. Sharp
Native Silver #1
Millard H. Sharp
Slag From A Lead Smelter #1
Theodore Clutter
Bauxite From Arkansas
Joel E. Arem