81.   The huge daily fluctuations in water flow were eroding the river channel and sandbars, making rafting difficult.

82.   The minerals collect naturally as water flows through geological formations to a water source.

83.   The reduced water flow has also allowed vegetation like water hyacinth and hydrilla to grow exponentially along the Rio Grande.

84.   The only maintenance is clearing the occasional twigs or fallen leaves that obstruct water flow.

85.   The only other real threat, they say, is the continued reduction in fresh water flows into the bay because of overuse upstream.

86.   The salt leaches out of some kinds of rocks and dissolves as water flows over them and erodes them down.

87.   The suit has striped fabric that speeds up water flow and prevents water from attaching to the material, thus eliminating drag.

88.   The system already has been faulted for putting the Everglades into crisis by interrupting the amount and timing of water flow into the huge swamp.

89.   The three-year pact sets minimum standards for fresh water flows to protect the fragile delta environment and San Francisco Bay.

90.   The timing of the water flow is crucial.