This series began in 1947 and was the first to be produced in the larger 8½-by-11-inch format. These documents were published versions of fieldtrips, many of which have introductory material explaining the geologic setting and a road log with noted mile markers. Guidebooks required a full formal review.
Title | Elevation | Digital Creation Date | ID | Extension | Tools |
01 February 2023 | 51617 |
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26 January 2023 | 51564 |
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14 April 2016 | 38922 |
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20 February 2001 | 38921 |
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20 February 2009 | 38920 |
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10 March 2016 | 38919 |
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05 November 2008 | 38918 |
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08 December 2015 | 38917 |
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04 May 2009 | 38916 |
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20 June 2019 | 38915 |
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24 January 2011 | 38914 |
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27 May 2002 | 38911 |
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06 February 2011 | 38910 |
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16 February 2011 | 38908 |
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20 July 2003 | 38907 |
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02 February 2011 | 38905 |
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28 December 2002 | 38899 |
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04 August 2002 | 38900 |
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20 July 2003 | 38902 |
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31 January 2011 | 38903 |
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