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Summary for Field Activity Number 2001-055-FA

Alternate Leg ID: IB E-1-01-WO or E-1-01-CR

Area of Operations: Bonneville Reservoir, Bonneville Dam, Hood River, Wind Mountain, Columbia River, Washington, The Dalles, Oregon, United States, North America

Dates: August 03, 2001 to August 21, 2001

Objectives: Determine sediment distribution and thickness behind Bonneville Dam, sediment budget for Columbia River, and geologic control on benthic habitat (salmon, white sturgeon).

Type of Activity: Sampling
Seismic profiling
Sea floor mapping

Information to be derived: Grain size analysis
Sea Floor Map

Summary: Sidescan sonar; Sub-bottom:15 lines, 30 km; Samples

USGS Project Number: 7440-33783

Contact: Bill Schwab (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of ESTERO

The following materials for this field activity are available in the Information Archives:

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