Lake J.B. Thomas 1999

JBThomas1999.mdb  geodatabase
	Boundary 	
		tom83: lake boundary digitized from 7.5 minute USGS quad sheets, 
			AutoCAD used to digitize the lake's outer boundary
		islands: island boundaries isolated from above file
		(83 means projected in NAD83 State Plane)
	cont_5: 5 foot contours
	hy_pts: 1999 TWDB survey data
	sk_pts: 1999 SK Engineering of San Angelo Texas survey pts (conducted land survey which was 
		merged with TWDB sounding data because water levels way low at time of survey.)
		
JBTom83_poly.shp: polygon shape file of lake boundary
JBTom_islands_poly.shp: polygon shape file of island boundaries
JBTom_cont_5.shp: 5 ft contours
JBTom_hy_pts.shp: 1999 TWDB survey data
JBTom_sk_pts.shp: 1999 SK Engineering data

allhydro.txt: txt file of 1999 TWDB survey data (x-coord,y-coord,z(elev))	
skdata.txt: txt file of 1999 SK Engineering survey data (x-coord,y-coord,z(elev))

jbtom_vol.txt: list of elevations,areas,volumes calculated from tin model (-elev,square ft,cubic ft)
jbtom_vol2.txt: above file converted to elev,acres,acre-feet
area.table.txt: elevation area table formatted, in acres
volume.table.txt: elevation volume table formatted, in acre-feet