Somerville 2003

Somerville03.mdb  geodatabase
	boundary
		is83: island boundaries polygon 
		som_83: lake boundary polygom
		(83 means projection in NAD83 state plane)
	cont_2: 2 ft contours
	som_pts: somerville 2003 survey data points
	
som_pts.shp: somerville 2003 survey data points

som83_poly.shp: lake boundary shape file polygon
som_is83_poly.shp: island boundaries shape file polygon
(83 means projection in NAD83 state plane)

cont2.shp: 2 ft contours

som03_vol.txt: list of elevation area volumes 
area03_table.txt: elevation area table formatted
volume03_table.txt: elevation volume table formatted