When these people moved in, there was black mud, almost up to the top.

A narrow strip of concrete led across the black mud at the bottom.

She slipped off her shoes, and went down the steps to the black mud at the edge of the river.

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

They both were already into the second cup of the black mud.

She looked different to him, now that the black and white mud had been washed off her face.

I looked through and saw a lot of black mud.

The water seemed to grow dark when black mud took the place of the clay that had formed its bed.

Blood turned the dust on his face into black mud.

In places the ice was clear, so that she could see through it to the black mud at the bottom.