MUST DO PROBLEMS #$1$ & #$2$ AND SELECT ONE BLEM FROM $3$ or $4$

$(25)$ Answer the following questions with a thankful heart.

$\backslash$table$[[$Ground elevation $($above MSL$),110$ ft$],[$Monitoring well bottom elevation $($above MSL$),0$ ft$],[$Depth to water in well from ground surface,$22$ ft$]]$

$\backslash$table$[[$Material$,\backslash$table$[[$Porosity$],[(\%)]],\backslash$table$[[$Hydraulic$],[$Conductivity$],[($ft$/$day$)]]],[$Gravel $($med$),30,890],[$Gravel $($fine$),32,1,460],[$Clay$,40,0\mathrm{.}006],[$Sand$,34,40\mathrm{.}0],[$Dune Sand,$35,65\mathrm{.}6],[$Silt$,21,0\mathrm{.}26],[$Limestone$,34,4\mathrm{.}0],[$Peat$,31,18\mathrm{.}7],[$Tuff$,34,0\mathrm{.}7]]$

MSL $=$ mean sea level

a$.$ A monitoring well $($aka piezometer, not pumped$)$ has been installed in a confined aquifer and the data in the table have been collected. Based on the information provided, find the following:

Elevation Head in $ft$

Pressure Head in $ft$

Hydraulic Head $($in $ft$

Pressure $($in psi$)=$

b$.$ After a storm with an effective duration of $8-$hours and $V_{RO}=5,200Ac-$ ft $,$ a station downstream from a $65$ square mile drainage basin measures a peak river discharge of $7,200cfs.$ If the stream flow before the storm was $1,200cfs,$ what is the peak discharge of the unit hydrograph $($in cfs$/$in$)?$

c$.$ What is the significance of the $8-$hour effective duration for the storm in part b$?$