Digital Geologic Map of the Big Sandy Creek Unit, Big Thicket National Preserve and  Vicinity, Texas (NPS, GRD, GRI, BITH, BISA digital map)
The Digital Geologic Map of the Big Sandy Creek Unit, Big Thicket National Preserve and  Vicinity, Texas is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a Map PDF document with ancillary map text, figures and tables, a FGDC metadata record and a 9.3 ArcMap (.MXD) …