The First Step in Constructing a Contour Map of a Water

Multiple Choice

The first step in constructing a contour map of a water table is to:

A) collect and plot the elevations of the water table in all available wells in an area
B) collect water quality data and plot it with all available wells in the area
C) determine the amount of water present in the subsurface
D) calculate the age of the water in the water table