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Summary for Field Activity Number 1982-020-FA

Alternate Leg ID: OC122

Area of Operations: Lydonia Canyon, Oceanographer Canyon, Georges Bank, United States, North America, North Atlantic

Dates: July 06, 1982 to July 15, 1982

Objectives: 1. Recover current moorings in Lydonia and Oceanographer Canyons. 2. Deploy current moorings in Lydonia Canyon and Lease Block 312. 3. Obtain surface grab samples on shelf and slope adjacent to Lydonia and Oceanographer Canyons. 4. Obtain hydrostatically damped cores at Lease Blocks 312 and 410 and head of Lydonia Canyon. 5. Obtain piston cores at head of Lydonia Canyon. 6. Conduct hydrographic survey of shelf and slope adjacent to Lydonia and Oceanographer Canyons. 7. Recover and redeploy surface marker buoys as required. 8. Conduct bathymetric survey in Lydonia Canyon.

Type of Activity: Sampling
Mooring work
Bathymetric surveying

Information to be derived: Samples and chemical analysis
Bathymetric maps
Mooring recovery and deployment

Summary: Multiple samples taken. Surface buoys recovered: 6. Surface buoys deployed: 6. Moorings recovered: 13 (Lydonia Canyon #240, 241, 242, 251, 247, 243, 244, 245, 246; Oceanographers Canyon #248, 249, 250, #255 dragged. Mooring #253 lost; #254 recovered by fisherman on BEAUFORT SEA HORSE. Moorings deployed: 6 (Lydonia Canyon, #257 recovered FA 82043 WHITEFOOT Aug. 12, 1982; #258, 259, 260, 261, 262 all recovered FA 82037 OCEANUS 130 Nov. 9-16, 1982).

USGS Project Number: EA-PO

Contact: Brad Butman (

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
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