Nederland Mining Museum For several years we tried to keep common weekend hours from Memorial Day via Labor Day. Because there have been extra days with out visitors than with, we went to "by appointment solely" hours. UGMM exists to discover and tell the stories of this distinctive place. http://damieni8011.get-blogging.com/8764172/geologic-characterization-report-for-the-paradox-basin-study-region-ut-by-united-states-department-of-energy