Potash cash operating cost of goods sold net of by-product credits, which we define as total cost of goods sold excluding royalties, depreciation, depletion and amortization, was $199 per short ton in the first quarter of 2010 compared to $238 per short ton in the first quarter of 2009.
Answers.comÂ® is making the world better one answer at a time. It is relativley rare to observe a solar eclipse because the sun's light is blocked by the moon.
The last total solar eclipse visible from the continental United States was in 1979, and it was only over a corner of the Pacific Northwest. Something like this summerâs event, where so many people on land can see a total solar eclipse, is exceptionally rare â although the United States actually will experience another one, crossing an opposite diagonal swath of the country, in 2024.