Other ID: NPTN 89-01
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): John Risch
Data Type(s): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Sonar: Single Beam, Sampling: Geology, Location-Elevation: Navigation
Scientific Purpose/Goals: Completion of Southern Lake Michigan geological framework study begun last year, collection of high-resolution seismic data from the Indiana Shoals area, and sidescan sonar and seismic reconnaissance of proposed coastal process study sites.
Start Port/Location: Great Lakes, IL
End Port/Location: Michigan City, IN
Start Date: 1989-05-21
End Date: 1989-06-03
Equipment Used: Klein 531 sidescan, 3.5 kHz, ODOM 200 kHz depth recorder, Grab sampler - Van Veen , Motorola Falcon IV Microwave relay Mini-Ranger, Northstar 6000 LORAN-C
Information to be Derived: Sea floor map; Morphology;
Summary of Activity and Data Gathered: Sidescan: 279 km; Seismic: 325 km; Grab Samples: 150.
Staff: David Nichols, John Risch
Notes: This cruise consisted of three legs: 21-25 May, Great Lakes, IL; 25-31 May, Chicago, IL; and 1-3 June, Michigan City, IN. Original Center People field contained: John Risch - Ch. Sci., Dave Nichols - technician.
Southern Lake Michigan, Illinois, Indiana, Great Lakes, United States, North America;