Rick Saltus

21 July 1998



Data and image files for inclusion in OF98_133 CD/ROM



Image files:

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USGS GP-1014 (Merged Aeromagnetic Map of Interior Alaska)



nemag.pdf - NE quadrant map (1:500,000)

nwmag.pdf - NW quadrant map (1:500,000)

semag.pdf - SE quadrant map (1:500,000)

swmag.pdf - SW quadrant map (1:500,000)



USGS GP-1016 (Bouguer Gravity Map of Interior Alaska)



negrav.pdf - NE quadrant map (1:500,000)

nwgrav.pdf - NW quadrant map (1:500,000)

segrav.pdf - SE quadrant map (1:500,000)

swgrav.pdf - SW quadrant map (1:500,000)



Data files:

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1. Aeromagnetic data:



AKmag-README.TXT = information file for magnetic data grids

                   (includes map text for GP-1014)

AKmag_composite.zasc = ASCII data file for composite 

                   aeromagnetic data grid

AKmag_merge.zasc = ASCII data file for merged aeromagnetic 

                   data grid



2. Gravity data:



AKgrav-README.TXT = information file for gravity data grids

                       (includes map text for GP-1016)

AKgrv_int.asc =     gravity data grid with interpolated values

                       (contour lines on GP-1016)

AKgrv_10km.asc =    gravity data grid with values restricted to 

                       within 10 km of valid data points (colors on 

                       GP-1016)



intak_grv.asc =     ASCII (space-delimited) gravity station data 

                       file

intak_grv.tab =     ASCII (tab-delimited) gravity station data 

                       file

intak_grv.exl =     BINARY EXCEL spreadsheet of gravity station 

                       data