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Summary for Field Activity Number 2009-084-FA

Area of Operations: Upper Mystic Lake, Medford, Massachusetts, United States, North America

Dates: December 02, 2009 to December 02, 2009

Objectives: Resurvey methane-charged bottom features in lake, better constrain bathymetry, locate methane emissions through bubble streams in water column, and conduct sonar imaging of lake bottom with particular focus on locating pockmark-type features.

Type of Activity: Seismic profiling

Information to be derived: Bathymetric maps
Seep maps

Summary: Collected Chirp 424, sonar images, and images of seeps in water column with GPS navigation.

USGS Project Number: 2921-0FP59 - Project Description

Contact: Carolyn Ruppel (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of KNOB

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

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