U. S. Geological Survey Open-File Report 2004-1229B

ARC/INFO Grid Export format 
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This format is readable by ARC/INFO, ERDAS IMAGINE, ARC/VIEW, and 
other packages. When imported into ARC/INFO and ARC/VIEW, the file 
will unpack into a directory containing all the components of the 
registered grid coverage.   The ARCGRID module in ARC/INFO
and SPATIAL ANALYST in ARC/VIEW will allow display in color shaded- 
relief.  

Blanca - all files except b83rcgrd.e00

Data Format: ESRI Grid
Cell Size = 50.000
Data Type: Floating Point
Number of Rows = 707
Number of Columns = 629
Xmin = 440775.000        
Xmax = 472225.000       
Ymin = 4118575.000       
Ymax = 4153925.000              
Projection: UTM  Zone  13
Units: METERS             
Spheroid: CLARKE1866



b83rcgrd.e00

Cell Size = 50.000
Data Type: Floating Point
Number of Rows = 722
Number of Columns = 643
Xmin =  440375.000      
Xmax =  472525.000     
Ymin =  4118425.000 
Ymax =  4154525.000   
Projection: UTM  Zone  13
Units: METERS             
Spheroid: WGS84