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    National Recreation Area AZ,NV

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Notice to Mariners Changes in Overton Arm and Iceberg Reef in Gregg Basin Areas of Lake Mead 26-07

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Date: June 11, 2007
Contact: Roxanne Dey, 702.293.8947

Lake Mead National Recreation Area Superintendent William K. Dickinson announced the following changes to Aids to Navigation in the Overton Arm of Lake Mead. Due to lowering water levels, Surprise Reef Red Lighted Buoy #6 has been established, and is located at:

36 degrees, 14 minutes, and 0 seconds north
114 degrees, 24 minutes, and 05 seconds west

This aid will show a “Flash” sequence. The red light will be on for 0.4 seconds and off for 3.6 seconds after which the sequence is repeated.

Superintendent Dickinson also announced changes to Iceberg Reef Light #57 in the Gregg Basin Area. It has been temporarily discontinued because of lowering water levels. Iceberg Reef Light #57 was located at:

36 degrees, 09 minutes, 06 seconds north
114 degrees, 05 minutes, 16 seconds west

Did You Know?

Down River view of Hoover Dam

Hoover Dam, the world's largest hydroelectric installation at the time of its construction, presented massive challenges to its designers and builders, yet the project was completed in less than five years! Hoover Dam backed up the waters of the Colorado River to create Lake Mead.