... stratosphere are small, rarely exceeding 10 parts per million by volume. Ozone is measured in Dobson Units. (40k jpeg) One Dobson Unit (DU) corresponds to 2.69 x 10E16 molecules per square centimeter, which is equivalent to the amount of gas in one square centimeter at 1 atmosphere of pressure. Average ozone levels are 300 DU, which would be equivalent to a layer three millimeters thick if ... ...
... were only paid 1/3 the rate of their non-Indigenous mates, and this underpayment was illegal. Fifty tribal Yolgnu men from East Arnhem Land served in the Northern Territory Special Reconnaisance Unit, under the command of Squadron Leader Donald Thomson. In pre-war days Thomson had been an Anthropologist and had worked with these people. His ... unit had the task of providing Darwin with early warning of any Japanese attack in the East Arnhem Land area (several thousand square kilometers in size). These warriors were to use their traditional weapons to wage a guerrilla war against the Ja...
