[PUB] – ‘Classic’ USGS Publication - Guidebook of the Western United States: Part B - The Overland Route, With a Side Trip to Yellowstone Park Bulletin 612 (1916) https://t.co/Vi9eo7iTFu #geology #guidebook https://t.co/2LWr0loUwq
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some extremely fun plates in this publication
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RT @USGS: [PUB] – ‘Classic’ USGS Publication - Guidebook of the Western United States: Part B - The Overland Route, With a Side Trip to Yel…
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RT @USGS: [PUB] – ‘Classic’ USGS Publication - Guidebook of the Western United States: Part B - The Overland Route, With a Side Trip to Yel…