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ID N-1-97-MW
Abstract Chief Scientist: Bruce Jaffe. Geophysical and Video data (Kleinsidescan, 3dot5khz, Geopulse, GPS, bottomtransponder, bathymetry, YoNav, computer) of field activity N-1-97-MW in Sleeping Bear Point, Michigan from 05/19/1997 to 05/22/1997
Project/Theme Recent Submarine and Coastal Landsliding in Sleeping Bear Dunes
National Plan Natural Hazards and Public Safety/Offshore
Earthquakes and Landslides/Sleeping Bear Coastal Landslide
Chief Scientist Bruce Jaffe
Activity Type Geophysical and Video
Platform Neptune
Area of Operation Sleeping Bear Point, Michigan, Midwest, US
Bounding Coordinates
-86.07252     -85.76251
Ports leave Leeland, MI
arrive Leeland, MI
Dates 05/19/1997 (JD 139) to 05/22/1997 (JD 142)
Analog Materials No analog holdings.
Bruce Jaffe Chief Scientist, USGS Western Region
Guy Cochranne Unspecified, USGS Western Region
Mike Boyle Electronic Technician, USGS Western Region
Hank Chezar Underwater Video Expert, USGS Western Region
Stuart Sides Head Side-scan Processor, USGS Western Region
Miguel Velasco Side-scan Processor, USGS Western Region
John Gann Navigation Specialist, USGS Western Region
William French Unspecified, USGS Volunteer
Equipment Used
Map the offshore portion of the February 1995
Sleeping Bear Point landslide to better understand the affect of landslides
on the coastal system in the Sleeping Bear National Lakeshore, gather
information for a slope stability analysis, determine landslide history and
framework geology near the Point.
Information to be Derived
Extent of submarine portion of the 1995 landslide, geologic controls on sliding, 
volume sediment moved offshore during the 1995 and other older landslides, 
images of slide features.
Ran side-scan sonar in reconnaissance and mosaic modes.  Collected
subbottom profiles. Collected underwater video to groundtruth side-scan images
and to document slide features.
The following is the beginning of USGS Fact Sheet 020-98.

In February 1995, a 1,600-foot stretch of popular beach at Sleeping Bear
Dunes National Lakeshore suddenly slid into the waters of northeastern Lake
Michigan. The National Park Service (NPS) immediately requested the
assistance of the U.S. Geological Survey (USGS) in evaluating the hazard at
the lakeshore.  To protect the public, USGS and NPS scientists are
conducting studies that will help predict when the landslide-prone area
will move again.

See the entire Fact Sheet on this project at:


Guy Cochranne- Geophysicist
Mike Boyle- Electronic Technician
Hank Chezar- Underwater Video Expert
Dr. William French, Visiting Scientist and Watchstander, USGS Volunteer

Stuart Sides- Head side-scan processor
Miguel Velasco- Side-scan processor

John Gann-  Navigation Specialist

Lv port: Leeland, MI
Ar port: Leeland, MI
Got Help? For N-1-97-MW, we would appreciate any information on -- analog materials, contract, days at sea, dive count, funding, information specialist, kms of navigation, NGDC Info, organization, owner, project number, publications, scanned materials, seismic description, station count, station description, submersible, tabulated info.
Type Webpage KMZ Arc         Metadata        
Imagery data      
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Times   060.times    

N-1-97-MW location map of where navigation 

equipment operated
N-1-97-MW location map of where navigation 

equipment operated

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