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Core Data from the Deep Sea Drilling Project


Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  118.80    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  120.30    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
========== ========= ========  ================  ============
     46         0        54       1.82/ 52            159
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : NANNOFOSSIL RICH MARLY CARBONATE OOZE                       
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  120.30    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  121.80    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
========== ========= ========  ================  ============
     57         0        43       1.84/ 51            159
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : CARBONATE RICH MARLY NANNOFOSSIL OOZE                       
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  121.80    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  123.30    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
========== ========= ========  ================  ============
     51         0        49       1.81/ 53            158
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : NANNOFOSSIL RICH MARLY CARBONATE OOZE                       
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  123.30    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  124.80    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
========== ========= ========  ================  ============
     35         0        65       1.90/ 48            156
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : NANNOFOSSIL RICH MARLY CARBONATE OOZE                       
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  124.80    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  126.30    Age: 
Sect:  5    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
========== ========= ========  ================  ============
     29         0        71       1.96/ 44            158
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : CARBONATE RICH NANNOFOSSIL RICH MUD                         
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: QUATERNARY
Hole: 124   Depth Top of Layer(m)   :  126.30    Age: QUATERNARY
Core:   1   Depth Bottom of Layer(m):  127.80    Age: 
Sect:  6    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
========== ========= ========  ================  ============
     38         0        62       1.86/ 50            146
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : FORAMINIFERA RICH MARLY CARBONATE OOZE                      
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  193.00    Age: UPPER PLIOCENE
Core:   2   Depth Bottom of Layer(m):  194.50    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
========== ========= ========  ================  ============
     39         0        61       1.87/ 49            149
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : QUARTZ RICH CARBONATE RICH MARLY NANNOFOSSIL OOZE           
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  194.50    Age: UPPER PLIOCENE
Core:   2   Depth Bottom of Layer(m):  196.00    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
========== ========= ========  ================  ============
     36         0        64       1.99/ 43            137
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : QUARTZ RICH MARLY CARBONATE OOZE                            
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  196.00    Age: UPPER PLIOCENE
Core:   2   Depth Bottom of Layer(m):  197.50    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
========== ========= ========  ================  ============
     94         0         6       1.93/ 46            158
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : NANNOFOSSIL RICH CARBONATE RICH  CALCAREOUS OOZE            
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  197.50    Age: UPPER PLIOCENE
Core:   2   Depth Bottom of Layer(m):  199.00    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
========== ========= ========  ================  ============
     45         0        55       1.90/ 48            158
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE                                                   
Screen Lith    : MICA RICH NANNOFOSSIL RICH MARLY CARBONATE OOZE             
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  530/1500  Age: PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  298.53    Age: PLIOCENE
Core:   3   Depth Bottom of Layer(m):  299.50    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
========== ========= ========  ================  ============
     64         0        36           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : CLAY (NANNO OOZE)                                           
Screen Lith    : NANNOFOSSIL RICH CARBONATE OOZE                             
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  299.50    Age: PLIOCENE
Core:   3   Depth Bottom of Layer(m):  301.00    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
========== ========= ========  ================  ============
     61         0        39       1.82/ 52            157
 
Processing Hist: Classification was successful.
Shipboard Lith : TURBIDITE AND PELAGIC OOZES                                 
Screen Lith    : NANNOFOSSIL RICH CARBONATE OOZE                             
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  620/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  334.62    Age: LOWER PLIOCENE
Core:   4   Depth Bottom of Layer(m):  335.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.88
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     55         0        45       1.60/ 66             88
 
Processing Hist: Classification was successful.
Shipboard Lith : MARL                                                        
Screen Lith    : MICA RICH NANNOFOSSIL RICH MARLY CARBONATE CHALK            
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  335.50    Age: LOWER PLIOCENE
Core:   4   Depth Bottom of Layer(m):  337.00    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
========== ========= ========  ================  ============
     53         0        48       1.67/ 61            157
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : QUARTZ RICH NANNOFOSSIL RICH CARBONATE RICH MARLY CHALK     
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  337.00    Age: LOWER PLIOCENE
Core:   4   Depth Bottom of Layer(m):  338.50    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
========== ========= ========  ================  ============
     61         0        39       1.74/ 57            157
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE TO MARL?                                         
Screen Lith    : QUARTZ RICH NANNOFOSSIL RICH CARBONATE CHALK                
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  338.50    Age: LOWER PLIOCENE
Core:   4   Depth Bottom of Layer(m):  340.00    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
========== ========= ========  ================  ============
     57         0        43       1.87/ 50            157
 
Processing Hist: Classification was successful.
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : NANNOFOSSIL RICH MARLY CARBONATE CHALK                      
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  480/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  339.48    Age: LOWER PLIOCENE
Core:   5   Depth Bottom of Layer(m):  340.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.02
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     58         0         0       1.59/ 66             53
 
Processing Hist: 
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : MARLY CHALK.                                                
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   60/1500  Age: LOWER PLIOCENE
Hole: 124   Depth Top of Layer(m)   :  340.56    Age: LOWER PLIOCENE
Core:   5   Depth Bottom of Layer(m):  342.00    Age: 
Sect:  2    Thickness of Layer(m)   :    1.44
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     68         0         0       1.65/ 63            149
 
Processing Hist: 
Shipboard Lith : NANNO OOZE                                                  
Screen Lith    : MARLY CHALK.                                                
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  110/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  362.11    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  363.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.39
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     57         0        43       1.77/ 55            145
 
Processing Hist: Classification was successful.
Shipboard Lith : GYPSUM CLAY                                                 
Screen Lith    : GYPSUM RICH MARLY CHALK                                     
 
 
 
Leg : 13    Top/Bottom Interval(mm) :    0/   0  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  363.60    Age: UPPER MIOCENE
Core:   6   Depth Bottom of Layer(m):  363.60    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       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : MARLS WITH GYPSUM                                           
Screen Lith    : QUARTZ RICH ANHYDRITE RICH MUD                              
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   70/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  382.07    Age: UPPER MIOCENE
Core:   7   Depth Bottom of Layer(m):  383.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.43
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
     38         0        62       1.82/ 52            141
 
Processing Hist: Classification was successful.
Shipboard Lith : GYPSUM MARL                                                 
Screen Lith    : GYPSUM RICH ARAGONITE RICH MARLY NANNOFOSSIL CHALK          
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   80/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  392.08    Age: UPPER MIOCENE
Core:   8   Depth Bottom of Layer(m):  393.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.42
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ANHYDRITE WITH GYPSUM                                       
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  200/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  395.20    Age: UPPER MIOCENE
Core:   9   Depth Bottom of Layer(m):  396.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.30
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       2.17/ 32            113
 
Processing Hist: Classification was successful.
Shipboard Lith : MARLS WITH GYPSUM ANHDRITE                                  
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  650/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  400.65    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  401.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.85
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100       2.19/ 31             90
 
Processing Hist: Classification was successful.
Shipboard Lith : GYPSUM ANHYDRITE                                            
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENT                             
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  401.50    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  403.00    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
========== ========= ========  ================  ============
     57         0        43           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH MARLY LIMESTONE                              
 
 
 
Leg : 13    Top/Bottom Interval(mm) :    0/   0  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  403.10    Age: UPPER MIOCENE
Core:  10   Depth Bottom of Layer(m):  403.10    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
========== ========= ========  ================  ============
     40        25        43           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH MARLY LIMESTONE                              
 
 
 
Leg : 13    Top/Bottom Interval(mm) :  810/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  404.81    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  405.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.69
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  405.50    Age: UPPER MIOCENE
Core:  11   Depth Bottom of Layer(m):  407.00    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         0       100           /                  
 
Processing Hist: Classification was successful.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : SPICULE RICH ANHYDRITE RICH CLASTIC SEDIMENTSTONE           
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   60/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  409.06    Age: UPPER MIOCENE
Core:  12   Depth Bottom of Layer(m):  410.50    Age: 
Sect:  1    Thickness of Layer(m)   :    1.44
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
Leg : 13    Top/Bottom Interval(mm) : 1160/1500  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  414.16    Age: UPPER MIOCENE
Core:  13   Depth Bottom of Layer(m):  414.50    Age: 
Sect:  1    Thickness of Layer(m)   :    0.34
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
Leg : 13    Top/Bottom Interval(mm) :   00/1400  Age: UPPER MIOCENE
Hole: 124   Depth Top of Layer(m)   :  414.50    Age: UPPER MIOCENE
Core:  13   Depth Bottom of Layer(m):  415.90    Age: 
Sect:  2    Thickness of Layer(m)   :    1.40
 
       Average Percent          G.R.A.P.E. Avg   # G.R.A.P.E.
Calcareous Siliceous Detrital  Density/Porosity   meas Avg'd
========== ========= ========  ================  ============
      0         0       100           /                  
 
Processing Hist: Data incomplete; interpretation allowed manual encoding.
Shipboard Lith : ANHYDRITE                                                   
Screen Lith    : ANHYDRITE RICH CLASTIC SEDIMENTSTONE                        
 
 
 
    

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