Data Dictionary

  FILE CLASS DESCRIPTION
Roads brew arc TXDOT 1:24,000-scale county file, Brewster
  pres arc TXDOT 1:24,000-scale county file, Presidio
  maderas poly Boundary file, Sierra del Carmen reserve
  parks3 poly Boundary file including BBRSP, BBNP, and BGWMA
  parks4 poly Boundary file including parks3 plus maderas
  parksbuff poly Buffer file, 10 mile radius, around parks4
  roads arc Road file; selected arcs from brew and pres
  roadsbuff arc Roads, clipped by parksbuff
       
Elevation emory peak-w DEM 1:250,000 DEM, emory peak-w
  presidio-e DEM 1:250,000 DEM, presidio-e
  epeaklat lattice Lattice created from emory peak-w
  preslat lattice Lattice created from presidio-e
  bblat lattice Lattice from merge of epeaklat and preslat
  con35.shp shape Shape file derived from 3,500 ft contour line
  con40.shp shape Shape file derived from 4,000 ft contour line
  35line arc Coverage derived from con35.shp
  40line arc Coverage derived from con40.shp
  35ft poly Appended coverage of 35ft and parks4
  40ft poly Appended coverage of 40ft and parks4
  parks4 poly Boundary file of BBRSP, BBNP, BGWMA, and Sierra del Carmen
       
Vegetation txveg poly 1:1,000,000 "The Vegetation Types of Texas"
  bpveg poly Coverage derived from clipping txveg with bpcount
  brewster poly County boundary file, Brewster
  presidio poly County boundary file, Presidio
  bpcount poly Clip coverage derived from brewster plus presidio
  parks4 poly Boundary file of BBRSP, BBNP, BGWMA, and Sierra del Carmen
       
Satellite bbwra.img image 4, 3, 2 'color infrared' composite of Big Bend Wolf Recovery Area
  bbrsp.img image 4, 3, 2 'color infrared' composite of Big Bend Ranch State Park
  bbrndvi.img image NDVI image of Big Bend Ranch State Park