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Floor and rim in southeast part of North Park. Jackson County, Colorado. 1911. Plate 2 in U.S. Geological Survey. Bulletin 596. 1915.
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Weathered granite. Jackson County, Colorado. 1911. Plate 5-A in U.S. Geological Survey. Bulletin 596. 1915.
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Eroded sandstone of Coalmont formation. Jackson County, Colorado. 1911. Plate 1-A in U.S. Geological Survey. Bulletin 596. 1915.
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Triceratops bones found near base of Lance formation in SE Sec. 20, T. 21 N., R. 23 E.; leg bone and vertebra, length of large bone 18 inches. Corson County, South Dakota. 1909. Plate 7-A in U.S. Geological Survey Bulletin 575. 1914.
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Delanos Butte. Jackson County, Colorado. 1911. Plate 8 in U.S. Geological Survey. Bulletin 596. 1915.
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Floor and rim in southeast part of North Park. Jackson County, Colorado. 1911. Plate 2 in U.S. Geological Survey. Bulletin 596. 1915.
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Album caption: South Canyon Mines, South Canon. Garfield County, Colorado. 1911. Index card: South Canyon mines, South Canon. Garfield County, Colorado. 1911.
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Erosion forms in granite. Jackson County, Colorado. 1911. Plate 5-B in U.S. Geological Survey. Bulletin 596. 1915.
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Coalmont, open cut in foreground, Park Range in background, looking northwest. Jackson County, Colorado. 1911. Plate 11,in U.S. Geological Survey. Bulletin 596. 1915.
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Porphyry dike. Jackson County, Colorado. 1911. Plate 7 in U.S. Geological Survey. Bulletin 596. 1915.
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Marr coal bank. Jackson County, Colorado. 1911. Plate 9-B in U.S. Geological Survey. Bulletin 596. 1915.
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Crest of Zirkel Mountain. Jackson County, Colorado. 1911. Plate 1-B in U.S. Geological Survey. Bulletin 596. 1915.
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Mouth of Red Canyon. Jackson County, Colorado. 1911. Plate 4 in U.S. Geological Survey. Bulletin 596. 1915.
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Triceratops bones found near base of Lance formation in SE Sec. 20, T. 21 N., R. 23 E.; leg bones, length of long bone 26 inches. Corson County, South Dakota. 1909. Plate 7-B in U.S. Geological Survey. Bulletin 575. 1914.
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Dune sand. North Park. Jackson County, Colorado. 1911. Plate 3-A in U.S. Geological Survey. Bulletin 596. 1915.
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Office scene: interior of office tent somewhere in Montana. 1910.


map background search result map search result map Triceratops bones found near base of Lance formation. Corson County, South Dakota. 1909. Triceratops bones found near base of Lance formation. Corson County, South Dakota. 1909.