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Summary for Field Activity Number 1981-018-FA

Alternate Leg ID: 81-3

Area of Operations: continental shelf between Portsmouth, New Hampshire, and Newburyport, Massachusetts, Gulf of Maine, United States, North America, North Atlantic

Dates: June 19, 1981 to June 30, 1981

Objectives: Map glacial and post-glacial sediments and bedrock.

Type of Activity: Sea floor mapping

Information to be derived: Sea floor map
Sidescan sonar data

Summary: Uniboom data: 480 km; Sidescan data: 325 km; Magnetics: 150 km; 3.5 kHz data: <100 km. Magnetometer and 3.5 kHz data are of very poor quality because of instrument malfunction.

USGS Project Number: NE CSTL

Contact: Francis S. Birch ()

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of NEECHO
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