The piezometers A$,$ B$,$ and $C$ are $1500m$ apart as shown in the figure. Piezometer $B$ is located due north of piezometer $A,$ and $C$ is west of line $AB.$ The ground surface elevation above mean sea level $($amsl$),$ the bottom elevation $($amsl$)$ of the piezometer, and the depth of water in each piezometer is given in the table.

$\backslash$table$[[$Location$,\backslash$table$[[$Ground$],[$surface$],[(amsl)(m)$