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• Organization: Department of the Interior
• Updated: 20220829 | Harvested: July 18, 2025 at 05:06 AM

This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida, Colorado. The valley is structurally...

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• Organization: Department of the Interior
• Updated: 20220829 | Harvested: July 18, 2025 at 03:31 AM

The Leadville North 7.5' quadrangle lies at the northern end of the Upper Arkansas Valley, where the Continental Divide at Tennessee Pass creates a low drainage divide between the Colorado and...

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• Organization: Department of the Interior
• Updated: 20200831 | Harvested: July 18, 2025 at 05:50 AM

This zip folder contains ASCII text files of vectors at the specified volcano at 12-hour intervals, from January 1, 1990 through December 28, 2009. The wind vectors are divided into five...

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