91.   The runoff causes subtle changes, denuding rocks of barnacles and killing algae.

92.   The subtle changes in current are interpreted by a computer to make a contour map of the hills and valleys of the atomic terrain.

93.   The subtle changes come at a time when organizers are completing plans for an event they predict will attract a million black men or more to Washington.

94.   There are some subtle changes, including different placement for some standard features like the Money Pro column.

95.   There are, of course, subtle changes.

96.   There was one subtle change.

97.   There were subtle changes this fall in the complexion of the market for contemporary, Impressionist and modern art.

98.   This year, Miller said, he paid pickers by the hour rather than the pound, marking a subtle change in the labor market.

99.   This seemingly subtle change in perspective has enabled Maillet and Michel to construct their magnitude scale.

100.   Time and a subtle change or two.