Chapter Page 



L. BOTTOM SEDIMENT SAMPLING L-1 



General L-1 



Collecting Samples L-1 



General Procedures for Coring Operations L-1 



Gravity- and Piston-Type Corers L-1 



The Phleger Corer L-2 



Instructions for Assembling and Operating the Phleger Corer L-2 



Obtaining the Phlerer Core L^ 



Retrieving the Phleger Corer L-4 



Removing, Logging, and Labeling the Phleger Core L-4 



Maintenance of the Phleger Corer L-4 



The Kullenberg Piston Corer L-4 



Instructions for Assembling and Operating the Kullenberg Corer L-5 



Obtaining the Kullenberg Piston Core L-7 



Retrieving the Kullenberg Piston Corer L-7 



Maintenance of the Kullenberg Piston Corer L-7 



The Ewing Piston Corer - L-8 



Instructions for Assembling and Operating the Ewing Piston Corer L-8 



Obtaining the Ewing Piston Core L-9 



Retrieving the Ewing Piston Corer L-9 



Removing, Logging, and Labeling the Ewing Core L-10 



Packing, Storing, and Shipping Ewing Cores L-10 



Maintenance of the Ewing Corer L-10 



The Hydro-Plastic (PVC) Piston Corer. . L-10 



Instructions for Assembling and Operating the Hydro-Plastic (PVC) Corer L-10 



Obtaining the Hydro-Plastic (PVC) Piston Core L-1 1 



Retrieving the Hydro-Plastic (PVC) Corer L-11 



Removing, Logging, and Labeling the Hydro-Plastic (PVC) Core L-12 



Maintenance of the (PVC) Hydro-Plastic Corer L-12 



Obtaining the Core L-12 



Applying Wax to Core Sample Liners L-14 



Snapper or Grab Samplers L-14 



Orange Peel Bucket Sampler L-14 



Operating the Orange Peel Bucket Sampler L-15 



Maintenance of the Orange Peel Bucket Sampler L-15 



Clamshell Snappers L-15 



The Scoopfish Underway Bottom Sampler L-17 



The Van Veen Bottom Sampler L-17 



Dredges L-17 



Oceanographic Log Sheet-M Bottom Sediment Data L-18 



Labeling the Bottom Sediment Sample(s) L-20 



Packing, Storing, and Shippmg Bottom Sediment Samples L-22 



Boomerang Sediment Corer L-23 



Instructions for Assembling the Boomerang Corer L-23 



Obtaining the Boomerang Core L-26 



Retrieving the Boomerang Core ■- L-26 



Removing, Logging, and Labeling the Boomerang Core L-27 



Maintenance of the Boomerang Corer L-27 



M. CURRENT MEASUREMENTS M-1 



General M-1 



Dye Marks M-1 



Parachute Drogues M-1 



Assembling the Parachute Drogue M-2 



Tracking the Drogue M-2 



Retrieving the Drogue M-2 



Ekman Current Meter M-3 



Assembling the Ekman Current Meter M-3 



Operating the Ekman Current Meter M-4 



Computhig the Current Direction and Velocity M-4 



Maintenance of Ekman Current Meter M-5 



The Roberts Radio Current Meter M-5 



viii Change 1—1970 



