It could be that the administration wanted to circulate a backgrounder for government officials and they recognized that circulating an OLC opinion could be risky because such an opinion might leak.
With locally based staff, they can supervise their programmes effectively and ensure that all funds are spent wisely and remain to circulate in the district economy.
Some researchers have suggested that materials produced in the Sun's atmosphere are pulled into the star's interior, where theycirculate in convection currents for millions of years before making their way back to the outer atmospheric layers.