Chapter Page 



L. BOTTOM SEDIMENT SAMPLING— Continued 



The Kullenberg Piston Corer L-4 



Instructions for Assembling and Operating the Kullenberg Corer L-5 



Obtaining the Kidlenberg Piston Core L-7 



Retrieving the Kullenberg Piston Corer L-7 



Maintenance of the Kidlenberg 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-11 



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 Shipping Bottom Sediment Samples L-22 



M. CURRENT MEASUREMENTS (In Preparation) 



N. UNDERWATER PHOTOGRAPHY N-1 



General Remarks N-1 



Underwater Cameras N-1 



Camera (EG&G Model 204) N-1 



Light Source (EG&G Model 214) N-1 



Battery Pack (EG&G Models 280 and 281).. N-1 



Mounting Rack N-1 



Sonar Pinger N-1 



Instructions for Assembling Mounting Rack N-4 



Checkout of the Underwater Camera System N-5 



Preparing Underwater Camera Components for Installation on Mounting Rack N-5 



Positioning Underwater Camera Components on Mounting Rack N-6 



Electrical Connections Between Components N-6 



Other Camera Systems N-7 



Immersion of the Underwater Camera System N-7 



Bottom Positioning Techniques N-9 



Emersion of Camera and Removal of Film N-9 



Processing of Film N-9 



Selection of Film N-9 



O. BIOLOGICAL SAMPLING 0-1 



General 0-1 



Biological Sampling Nets 0-1 



Qualitative Plankton Sampling Net 0-1 



How to Operate the Quahtative Plankton Sampling Net 0-1 



Maintenance of the Qualitative Plankton Net 0-1 



The Clarke-Bumpus Quantitative Plankton Sampler 0-1 



Assembling and Operating the Clarke-Bumpus Sampler 0-3 



Maintenance of the Clarke-Bumpus Sampler 0-4 



The Midwater Trawl 0-4 



