Geologic Field Trip Guidebooks: Shades of Grey

Joseph Lura
Geologic field trip guidebooks contain valuable information useful for both professional geologists and the general public, yet they exhibit various “shades of grey” when attempting to identify and access copies. They are produced by various groups, including governments, professional societies and associations, commercial publishers, and others. Each group presents different levels of difficulty in identifying and accessing related guidebooks. Research indicates that there are significant indexing gaps for guidebooks from trips held in North America,...
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