Access Restricted Archival objects in this container: Conference programs, workshops, correspondence, meeting notes, membership files, reprints, research notes, 1980 to 2016 General files: membership rosters, by-laws, annual reports, questionnaire records, financial records, stationery, meeting minutes and notes, 1998 to 2016 Clark County telephone directory, 1999 to 2000 Common Ground symposium files, 1970 Mojave Desert Preserve files, 1998 to 1999