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Maps and Mapping
The USGS has over a century of experience mapping the landscapes of the United States and continues to provide accurate maps and related information. USGS products can be found online or purchased from the USGS Store.
Maps and Mapping
The USGS has over a century of experience mapping the landscapes of the United States and continues to provide accurate maps and related information. USGS products can be found online or purchased from the USGS Store.
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Time scales of porphyry Cu deposit formation: insights from titanium diffusion in quartz
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