(saa1/saa_250k/)
 
landcov/       USGS GIRAS Land Cover data
 
     readme/        Directory Information
     metadata/      Metadata
     info/          INFO data base
 
     atlan          Atlanta quadrangle
     balti          Baltimore quadrangle
     birmi          Birmingham quadrangle
     bluef          Bluefield quadrangle
     charl          Charlotte quadrangle
     charls         Charleston quadrangle
     charlv         Charlottesville quadrangle
     chatt          Chattanooga quadrangle
     corbin         Corbin quadrangle
     cumber         Cumberland quadrangle
     gadsen         Gadsden quadrangle
     greens         Greensboro quadrangle
     greenv         Greenville quadrangle
     jcity          Johnson City quadrangle
     jenkin         Jenkins quadrangle
     knoxv          Knoxville quadrangle
     roanok         Roanoke quadrangle
     rome           Rome quadrangle
     washin         Washington quadrangle
     wsalem         Winston-Salem quadrangle