12 April 1999

aepoint: Locations of airports in Puerto Rico (UTM Zone 19, WGS 84 spheroid)

dnnet: Drainage network (UTM Zone 19, WGS 84 spheroid)

hynet: Hydrography network (UTM Zone 19, WGS 84 spheroid)

pricopo: Political boundaries (UTM Zone 19, WGS 84 spheroid)

rdline: Roads (UTM Zone 19, WGS 84 spheroid)

rrline: Railroads (UTM Zone 19, WGS 84 spheroid)

prgeol: Geologic interpretation of the SLAR image (UTM Zone 19, WGS 84 spheroid)

prline: Lineament interpretation of the SLAR image (UTM Zone 19, WGS 84 spheroid)
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