http://pubs.usgs.gov/sim/3035/fred-kp_readme.txt

Description of digital dataset files posted on this website:

fred-kp_readme.txt - this file

fred-kp_meta.txt - FGDC compliant metadata. Each Geodatabase Feature Class also has its own metadata.

fred-kp_db.zip - zipped package of files necessary to create an ArcMap Personal Geodatabase project.
    -- readme_fred-kp_db.txt
    -- fredonia100k-kp.mdb - Personal Geodatabase
    -- fredonia100k-kp.style - ArcMap style for symbolizing data
    -- fred_base.zip - zipped 1:100,000-scale DRG base

fred-kp_shape.zip - zipped package of Feature Classes converted to shapefiles to facilitate use of the data in ArcMap and other applications.
    -- readme_fred-kp_shape.txt
    -- fredonia100k-kp.style - ArcMap style for symbolizing data
    -- fred_base.zip - zipped 1:100,000-scale DRG base
    -- Shapefiles include:
      -- fred-kp_atd.shp - attitudes, joints, fault offsets, domes
      -- fred-kp_fld.shp - folds
      -- fred-kpglg_arc.shp - geologic contacts and faults
      -- fred-kpglg_poly100k.shp - geologic unit polygons, 1:100,000-scale 
      -- fred-kpglg_poly24k.shp - geologic unit polygons, 1:24,000-scale
      -- fred-kpglg_pt.shp - geologic unit labels
      -- fred-kp_kar.shp - karst features
      -- fred-kp_min.shp - mines
      -- fred-kp_sec.shp - cross section lines
      -- fred-kp_vlf.shp - volcanic line features
      -- fred-kp_vpf.shp - volcanic point features