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Geologic map of the Dillon 1° x 2° quadrangle, Idaho and Montana Geologic map of the Dillon 1° x 2° quadrangle, Idaho and Montana
The digital ARC/INFO databases included in this website provide a GIS database for the geologic map of the Dillon 1 degree by 2 degree quadrangle of southwest Montana and east-central Idaho. The geologic map was originally published as U.S. Geological Survey Miscellaneous Investigations Series Map I-1803-H. This website directory contains ARC/INFO format files that can be used to query...
Geologic map of the MTM 25057 and 25052 quadrangles, Kasei Valles region of Mars Geologic map of the MTM 25057 and 25052 quadrangles, Kasei Valles region of Mars
Kasei Valles (fig. 1) make up the largest system of outflow channels on Mars and were a major contributor of water to Chryse Planitia. The walls and floors of the Kasei channels are terraced and grooved, closely resembling the channeled scablands of eastern Washington State that were formed by catastrophic floods probably lasting no more than a few days (Baker and Milton, 1974; Baker and...