Let’s search the Little Colorado River watershed for work completed since 1950.
Going to the AZGeoBib search engine:
Select datepub > 1950
Select watershed contains Little Colorado River
Results: Nearly 350 citations are found with this query. Too many!
Revisit the search and confine your time of interest to mid-1990s and later.
Select datepub > 1995
Select watershed contains Little Colorado River
Results: A managable 51 records are found.
However, maybe you are only interested in the Coconino County portion of the Little Colorado River. Let’s redo the search.
Select datepub > 1995
Select County contains cn (cn is the correct abbreviation for Coconino County).
Select watershed contains Little Colorado River
This search render a mere seven references. But given the search parameters, they may be exactly what you are looking for.
Last, if you encounter quirks, problems, or errors, or you simply cannot achieve a reasonable result, please let us know. We’ll do whatever we can to help.
Happy Hunting!