1.   But for hundreds of years, the islands of Lake George have served as navigational markers, camping grounds and settings for local history and folklore.

2.   The batteries were used to illuminate stationary towers, buoys and other navigational markers.

3.   He also said a Coast Guard vessel was in the area performing maintenance on navigational markers before the crash.

4.   Officials have speculated that the pilots became disoriented because fresh heavy snow may have made covered landmarks and navigational markers on the ground.

5.   Officials have speculated the pilots became disoriented because fresh heavy snow had covered landmarks and navigational markers.

6.   The group has asked for the structure to be approved as an official navigational marker.

7.   The pilots may have became disoriented by heavy snow that covered landmarks and navigational markers.

8.   U.S. officials have speculated the pilots became disoriented because fresh heavy snow was covering landmarks and navigational markers.