1.   She took the can in her gloved hand, which was caked in black mud.

2.   The black mud from the sea shores is said to be very good for the skin.

3.   The black mud fettered her movements.

4.   The ebbing tide exposed a sandbank of black tidal mud.

5.   The narrow road into the Honduran rain forest was a mire of black mud, a grinding test for the hardiest four-wheel-drive vehicles.

6.   Workers plod through the thick black mud, hoping that the fire scared off most of the vipers and rats that inhabit the brush.

7.   As Robustelli went from neighbor to neighbor to discuss the danger, he heard a deafening noise and within instants black mud swept him off his feet.