There was the deep boom of a shotgun up ahead and Ukiah started to run.

Under the right conditions, it's a deep, explosive "boom" that can heard just about anywhere on the 900-acre spread.

The train ran over a small culvert, and the song of the wheels changed to a deep boom.

The deep boom of the two shots, which had been batting to and fro among the mountains, died away.

Even with her head in the water, she heard the deep boom of the surf against the cliffs.

From across the river had come the deep boom of a muffled cannon shot.

A deep boom rumbled through the City like thunder running in the clouds.

The deep boom of an explosion, far off to his right, brought Art sharply back into the present.

Just as we reached the saddles a deep boom welled from the building in the cup.

Ahead, the rumble of the train became a deep boom.