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Search Expressions

This search is similar to internet search engines you may be familiar with (like Google). Multiple words separated by spaces will find documents with both terms (an AND operator is assumed). If you wish to find documents with either of a number of seach terms, put an OR between them. The following search expression tips may be helpful:

  • Searches are case insensitive.
  • You can use plain language (the search engine will extract the relevant words) but it might have a large number of results. Example: How old is the Valle Grande? (but leave off the ?—see below)
  • If you want to search for an exact phrase, enclose it in either single or double quotes.
    Example: "santa fe group"
  • You can use AND, NOT, and OR to refine conditions to meet (note: white space not within a quoted phrase or commas are assumed to be a logical AND). Example: "santa fe group" OR "basin fill"
  • If you need to explicitly include or exclude a word from the search results, precede the word immediately with a '+' or '-' sign. Example: "santa fe group" OR "basin fill" +Taos -Colorado
  • The search algorithm will automatically stem common search terms (including words in phrases) by adding/removing word suffixes like 'ing', 's', and 'ly'.
  • You can use wildcards to refine searches for less common words: A single asterisk (*) represents any number of any character(s) and a single question mark (?) represents any single character.
    For example: "tecton*" will return documents with any word beginning with "tecton" like tectonic, tectonics, or tectonism.
    However, you can not use wildcards at the beginning of a search term.