41.   The Colorado River exhibit depicts the journey of the river from its origins as a mountain stream to the Sea of Cortez.

42.   The tall oak trees, with their gnarled overhead branches, shelter the roselike flowers fed by nearby mountain streams.

43.   The tiniest of Japanese villages boast wide paved roads, and mountain streams are girded with massive concrete embankments built in the name of flood control.

44.   The trout opener marks the first day trout fishermen can fish in mountain streams, as well as many lakes in the eastern Sierra near Mammoth Lakes and Bishop.

45.   The young tourists, most of them from Australia, were swept to their deaths when the mountain stream they were navigating turned into a raging torrent.

46.   The young tourists, many from Australia, were swept to their deaths when the mountain stream they were navigating turned into a powerful torrent.

47.   The vital currents, like mountain streams, tend to rejuvenate themselves as they flow.

48.   They complain that the sound is more like a leaky faucet than the easygoing flow of a mountain stream.

49.   To avoid being stopped by Afghan soldiers, Mohammad, Amal and I ambled slowly up the mountain stream.

50.   We splashed across crystal clear mountain streams, the horses pausing to drink in the heat of the day.