Use the Image Map to find the geographic location in question.
You can download the GIS layer at the Directory Level.
TO CONVERT FILES FROM SDTS TO ARC/INFO COVERAGES DOWNLOAD THIS AML.
These files were created using the Spatial Data Transfer
Standard. We offer an ARC/INFO AML written by
Mark Negri of USGS Water Resources Division
to convert these files back to an ARC/INFO coverage.