Core Data from the Deep Sea Drilling Project

Leg : 28    Top/Bottom Interval(mm) :   00/ 300  Age: QUATERNARY
Hole: 271   Depth Top of Layer(m)   :   21.00    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):   21.30    Age: 
Sect:  1    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0        17        83       1.46/ 74             19
 
Processing Hist: Classification was successful.
Shipboard Lith : DRILLING SLUDGE                                             
Screen Lith    : FELDSPAR RICH TERRIGENOUS DETRITUS RICH MUD                 
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  300/1500  Age: QUATERNARY
Hole: 271   Depth Top of Layer(m)   :   21.30    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):   22.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        10        88       1.90/ 48            128
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : FELDSPAR RICH TERRIGENOUS DETRITUS RICH MUD                 
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: QUATERNARY
Hole: 271   Depth Top of Layer(m)   :   22.60    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):   22.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        10        88           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY                                   
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  980/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   40.98    Age: 
Core:   2   Depth Bottom of Layer(m):   41.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.52
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      1         3        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :   41.60    Age: 
Core:   2   Depth Bottom of Layer(m):   41.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         7        93           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY                                   
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD                   
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  530/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   50.03    Age: 
Core:   3   Depth Bottom of Layer(m):   51.00    Age: 
Sect:  1    Thickness of Layer(m)   :    0.97
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0        93       1.91/ 47             94
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : MUD                                                         
 
 
 
Leg : 28    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   51.00    Age: 
Core:   3   Depth Bottom of Layer(m):   52.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         2        98       1.99/ 42            150
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH SANDY MUD       
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :   52.60    Age: 
Core:   3   Depth Bottom of Layer(m):   52.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         3        95           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SANDY SILT                                           
Screen Lith    : FELDSPAR RICH TERRIGENOUS DETRITUS RICH MUD                 
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  780/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   59.78    Age: 
Core:   4   Depth Bottom of Layer(m):   60.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.72
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      1         5        94           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING CLAYEY SILT                                  
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH SANDY MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :   60.60    Age: 
Core:   4   Depth Bottom of Layer(m):   60.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     25         0        75           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : PEBBLES ONLY                                                
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUDSTONE              
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  520/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   69.02    Age: 
Core:   5   Depth Bottom of Layer(m):   70.00    Age: 
Sect:  1    Thickness of Layer(m)   :    0.98
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         5        93           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM BEARING SILTY CLAY                                   
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   70.00    Age: 
Core:   5   Depth Bottom of Layer(m):   71.50    Age: 
Sect:  2    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         5        93       1.84/ 52            157
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   71.50    Age: 
Core:   5   Depth Bottom of Layer(m):   73.00    Age: 
Sect:  3    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      1         2        97       1.88/ 49            155
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :   00/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :   73.00    Age: 
Core:   5   Depth Bottom of Layer(m):   74.50    Age: 
Sect:  4    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96       1.86/ 50            155
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :   78.10    Age: 
Core:   6   Depth Bottom of Layer(m):   78.10    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         3        95           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :   97.10    Age: 
Core:   8   Depth Bottom of Layer(m):   97.10    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY SAND                                                  
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH SAND                  
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :  106.60    Age: 
Core:   9   Depth Bottom of Layer(m):  106.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      1         4        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) : 1200/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :  136.20    Age: 
Core:  12   Depth Bottom of Layer(m):  136.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :  136.60    Age: 
Core:  12   Depth Bottom of Layer(m):  136.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) : 1000/1500  Age: 
Hole: 271   Depth Top of Layer(m)   :  145.50    Age: 
Core:  13   Depth Bottom of Layer(m):  146.00    Age: 
Sect:  1    Thickness of Layer(m)   :    0.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         2        98           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :  154.10    Age: 
Core:  14   Depth Bottom of Layer(m):  154.10    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        12        86           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: 
Hole: 271   Depth Top of Layer(m)   :  165.60    Age: 
Core:  15   Depth Bottom of Layer(m):  165.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0         0           /                  
 
Processing Hist: 
Shipboard Lith : PEBBLES ONLY                                                
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  175.10    Age: PLIOCENE
Core:  16   Depth Bottom of Layer(m):  175.10    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         5        93           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  204.00    Age: LOWER PLIOCENE
Core:  19   Depth Bottom of Layer(m):  205.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.50
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         3        95           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY                                                        
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  205.60    Age: LOWER PLIOCENE
Core:  19   Depth Bottom of Layer(m):  205.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        32        66           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY DIATOM CLAY                                           
Screen Lith    : CLAY MINERAL RICH DIATOM MUD                                
 
 
 
Leg : 28    Top/Bottom Interval(mm) : 1200/1500  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  214.20    Age: LOWER PLIOCENE
Core:  20   Depth Bottom of Layer(m):  214.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        13        85           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAYEY SILT                                                 
Screen Lith    : QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD                   
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  214.60    Age: LOWER PLIOCENE
Core:  20   Depth Bottom of Layer(m):  214.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2         2        96           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : SILTY CLAY                                                  
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  222.60    Age: LOWER PLIOCENE
Core:  21   Depth Bottom of Layer(m):  222.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      3        22        75           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : DIATOM SILTY CLAY                                           
Screen Lith    : CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD             
 
 
 
Leg : 28    Top/Bottom Interval(mm) : 1300/1500  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  233.30    Age: LOWER PLIOCENE
Core:  22   Depth Bottom of Layer(m):  233.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.20
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     25        40        75           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SILTY DIATOM CLAY                                           
Screen Lith    : CLAY MINERAL RICH DIATOM MUD                                
 
 
 
Leg : 28    Top/Bottom Interval(mm) :    0/   0  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  241.60    Age: LOWER PLIOCENE
Core:  23   Depth Bottom of Layer(m):  241.60    Age: 
Sect: CC    Thickness of Layer(m)   :    0.00
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     25        40        75           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : SANDY CLAYEY SILT                                           
Screen Lith    : CLAY MINERAL RICH DIATOM MUD                                
 
 
 
Leg : 28    Top/Bottom Interval(mm) :  120/1200  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  257.12    Age: LOWER PLIOCENE
Core:  24   Depth Bottom of Layer(m):  258.20    Age: 
Sect:  2    Thickness of Layer(m)   :    1.08
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     25        40        75       1.82/ 52            102
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : CLAY DIATOM SILT                                            
Screen Lith    : CLAY MINERAL RICH DIATOM MUD                                
 
 
 
Leg : 28    Top/Bottom Interval(mm) : 1280/1500  Age: LOWER PLIOCENE
Hole: 271   Depth Top of Layer(m)   :  258.28    Age: LOWER PLIOCENE
Core:  24   Depth Bottom of Layer(m):  258.50    Age: 
Sect:  2    Thickness of Layer(m)   :    0.22
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      2        47        51       1.86/ 50             23
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY DIATOM SILT                                            
Screen Lith    : TERRIGENOUS DETRITUS RICH DIATOM MUD
Introduction
Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2