Chronology | Current Month | Current Thread | Current Date |
[Year List] [Month List (current year)] | [Date Index] [Thread Index] | [Thread Prev] [Thread Next] | [Date Prev] [Date Next] |
held at 1 meter. A third group does .1 to 1.5 meters, a fourth, 1-3^^^^^^^^^^^^^^^^
meters, and a fifth 2 to 11 meters. They take their data--most counting 10