1.   They reached the lake a few hours later.

2.   Meanwhile, weather cleared enough to allow helicopter-borne divers to reach the lake to commence the grim search.

3.   When the salt men reach the lake, they find themselves competing with modern commercial interests, arriving in trucks.

4.   Authorities were trying to determine if any of the chemical had reached the lake.

5.   Venezuela was trying to stop the oil reaching the lake.