Quaternary geologic map of the Winnipeg 4° × 6° quadrangle, United States and Canada

Online link https://geo-nsdi.er.usgs.gov/metadata/map-i/1420/NM-14/metadata.faq.html
Description The Quaternary Geologic Map of the Winnipeg 4° × 6° Degree Quadrangle, United States and Canada, is a component of the U.S. Geological Survey Quaternary Geologic Atlas of the United States map series (Miscellaneous Investigations Series I-1420), an eff
Originators Fullerton, David S.; U.S. Geological Survey; Ringrose, Susan M.; Clayton, Lee; Schreiner, Bryan T.; and Goebel, Joseph E.
Publication U.S. Geological Survey Miscellaneous Investigations Series Map I-1420 (NM-14)

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Overview of attributes

Coordinates in the XYZ ASCII file are given in decimal degrees.
Bathymetry is given in meters.  Backscatter is an arbitrary scale ranging from 26 to 254.
Sample of bathymetry XYZ ASCII file
>Longitude, Latitude, Elevation
>-122.11496,42.96909,1514.068
>-122.11494,42.96909,1514.674
>-122.11492,42.96909,1515.272
>-122.11490,42.96909,1515.862
>-122.11487,42.96909,1516.448
>-122.11485,42.96909,1517.026
>-122.11483,42.96909,1517.591
>-122.11481,42.96909,1518.141
>-122.11479,42.96909,1518.691
Sample of Backscatter XYZ ASCII file
> Longitude, Latitude, DN Value
>-122.08681,42.95930,183.798
>-122.08679,42.95930,181.868
>-122.08677,42.95930,186.463
>-122.08675,42.95930,188.191
>-122.08673,42.95930,191.080
>-122.08670,42.95930,190.712
>-122.08668,42.95930,187.086
>-122.08666,42.95930,183.662
>-122.08664,42.95930,183.558

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Overview of attributes

BATHY is an ArcInfo GRID with the following attributes:
>Data Type: Floating
BOUNDARY (UTM meters)
>Xmin =  568119.572
>Xmax =  577473.572
>Ymin = 4750592.815
>Ymax = 4758866.815
STATISTICS (grid cell values, elevation in meters)
>Minimum Value =      1289.1
>Maximum Value =      1881.0
>Mean          =      1529.6
>Standard Deviation =  180.0
BACKSTR is an ArcInfo grid with the following attributes:
>Data Type: Floating
BOUNDARY (UTM meters)
>Xmin =  568094.347
>Xmax =  577512.347
>Ymin = 4750342.202
>Ymax = 4758964.202
STATISTICS (grid cell values, digital number)
>Minimum Value =       26.228
>Maximum Value =      253.965
>Mean          =      203.641
>Standard Deviation =  11.623

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