_:n5a2353299cd64c0e9c20b7c0cf0a4e82xb0
<http://schema.org/query-input>
"required name=search_term_string"
<https://riverwatchers.org/activity-log/river-watchers-tour-the-lbj-library-and-museum-the-texas-natural-history-center-and-the-texas-memorial-museum/>