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  • NWAMN Secchi Day 2012

    For the fourth year in a row, NWAMN members – fifteen in all – helped to make Secchi Day on Beaver Lake on Saturday, August 18th a great success. Named after Fr. Angelo Secchi, inventor of the Secchi disk, Secchi Day is a day of citizen science and ed...
  • Journey To The Center Of The Earth

    North Central Chapter spelunkers descended beneath the earth's surface, leaving behind buzzing cicadas, chirping birds, and sweltering oak and hickory glades of the Ozark National Forest; to enter a dark, chilled underworld, where the only sounds are drip...