Lake Nacogdoches 1994 Nacogdoches1994.mdb geodatabase Boundary nac_lk: lake boundary digitized in AutoCad from USGS 7.5 minute topos cont2: 2 ft contours XYall_prj83: 1994 survey data points All shape files and associated support files can be found in like named .ZIP files Nac_lk_poly.shp: polygon shape file of lake boundary (digitized in AutoCad from USGS 7.5 minute topos) Nac_cont2.shp: 2 ft contours XYall_prj83.shp: 1994 survey data points elev_area_vol: list of elevations areas volumes (feet,acres,acre-feet) area_table.txt: elevation area table formatted (in acres) volume_table.txt: elevation volume table formatted (in acre-feet)